{"id":249,"date":"2019-05-08T11:52:19","date_gmt":"2019-05-08T03:52:19","guid":{"rendered":"http:\/\/www.hefeiyu.com\/?p=249"},"modified":"2019-05-08T11:52:19","modified_gmt":"2019-05-08T03:52:19","slug":"informix-4gl%e5%ae%9e%e7%94%a8%e6%89%8b%e5%86%8c","status":"publish","type":"post","link":"https:\/\/www.hefeiyu.com\/?p=249","title":{"rendered":"INFORMIX-4GL\u5b9e\u7528\u624b\u518c"},"content":{"rendered":"

\u7b2c\u4e00\u7ae0\u00a0\u00a0\u00a0Informix\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u5b9a<\/p>\n

\u4e00.\u73af\u5883\u8303\u4f8b\uff1a<\/p>\n

\u53d8\u00a0\u91cf\u00a0\u540d\u00a0\u79f0
\n\u53d8\u00a0\u00a0\u00a0\u00a0\u91cf\u00a0\u00a0\u00a0\u00a0\u8bf4\u00a0\u00a0\u00a0\u00a0\u660e<\/p>\n

DBDELIMITER
\n\u6307\u5b9a\u7531dbload\u5728\u5378\u51fa\u6570\u636e\u6587\u4ef6\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u5b9a\u754c\u7b26<\/p>\n

DBDATE
\n\u6307\u5b9a\u5728DB\u4e2d\u60f3\u8981\u4f7f\u7528\u7684\u65e5\u671f\u683c\u5f0f(Y4MD\/,MDY4-)<\/p>\n

DBEDIT
\n\u6307\u5b9a\u5728\u7a0b\u5e8f\u5458\u73af\u5883\u4e2d\u60f3\u8981\u4f7f\u7528\u7684\u6587\u672c\u7f16\u8f91\u5668(vi)<\/p>\n

DBLANG
\n\u6307\u5b9a\u5728\u7a0b\u5e8f\u4e2d\u6240\u4f7f\u7528\u6d88\u606f\u6587\u4ef6\u7684\u5b58\u653e\u76ee\u5f55<\/p>\n

DBMONEY
\n\u6307\u5b9a\u5728DB\u4e2d\u60f3\u8981\u4f7f\u7528\u7684\u8d27\u5e01\u683c\u5f0f<\/p>\n

DBPATH
\n\u6307\u5b9aDB\u4e0e\u5176\u5b83\u76f8\u5e94\u6587\u4ef6\u7684\u641c\u7d22\u8def\u5f84<\/p>\n

DBPRINT
\n\u6307\u5b9a\u8ba1\u7b97\u673a\u7684\u6253\u5370\u7a0b\u5e8f<\/p>\n

DBSRC
\n\u6307\u5b9a\u7a0b\u5e8f\u8c03\u8bd5\u9636\u6bb5\u6587\u4ef6\u7684\u641c\u7d22\u8def\u5f84<\/p>\n

DBTEMP
\n\u6307\u5b9a\u4e34\u65f6\u6587\u4ef6\u7684\u5b58\u653e\u76ee\u5f55<\/p>\n

INFORMIXDIR
\n\u6307\u5b9aInformix\u6587\u4ef6\u7684\u5b58\u653e\u76ee\u5f55(\/usr\/informix)<\/p>\n

INFORMIXSERVER
\n\u6307\u5b9aInformixr\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u540d\u79f0<\/p>\n

FORMDIR
\n\u6307\u5b9aInformix\u5c4f\u5e55\u683c\u5f0f\u6587\u4ef6\u7684\u5b58\u653e\u8def\u5f84<\/p>\n

DBNLS
\n\u6307\u5b9aInformix\u4f20\u8f93\u6c49\u5b57(DBNLS=2)<\/p>\n

LANG
\n\u6307\u5b9aInformix\u53ef\u663e\u793a\u6c49\u5b57(LANG=english.8859)<\/p>\n

ONCONFIG
\n\u6307\u5b9aInformix-Online\u7684\u914d\u7f6e\u6587\u4ef6(onconfig.life)<\/p>\n

PATH
\n\u6307\u5b9aInformix\u53ef\u6267\u884c\u6587\u4ef6\u7684\u641c\u7d22\u8def\u5f84<\/p>\n

TERM
\n\u6307\u5b9aInformix\u7684\u7ec8\u7aef\u7c7b\u578b(TERM=vt100)<\/p>\n

TERMCAP
\n\u6307\u5b9aInformixr\u7684\u7ec8\u7aef\u7c7b\u578b\u6587\u4ef6<\/p>\n

\u4e8c.\u73af\u5883\u8303\u4f8b\uff1a<\/p>\n

.profile\u00a0(\u73af\u5883\u53d8\u91cf\u7684\u7b49\u53f7\u524d\u540e\u4e0d\u5f97\u4e3a\u7a7a\u683c)<\/p>\n

stty\u00a0-istrip\u00a0-isig\u00a0(\u9632\u6b62\u7528\u6237\u975e\u6cd5\u4e2d\u65ad)<\/p>\n

INFORMIXDIR=\/usr\/informix<\/p>\n

INFORMIXSERVER=ld420501_tcp<\/p>\n

ONCONFIG=onconfig.life<\/p>\n

PATH=$PATH:$INFORMIXDIR\/bin:$HOME\/bin:$HOME\/form:$HOME\/prg<\/p>\n

DBPATH=\/u\/cbps\/form:\/u\/cbps\/bin<\/p>\n

FORMDIR=\/u\/cbps\/form<\/p>\n

DBDATE=Y4MD\/<\/p>\n

LANG=english_us.8859<\/p>\n

DBLANG=english_us.8859<\/p>\n

DBNLS=2<\/p>\n

TERMCAP=\/usr\/informix\/etc\/termcap<\/p>\n

TERM=vt100<\/p>\n

export\u00a0INFORMIXDIR\u00a0INFORMIXSERVER\u00a0ONCONFIG\u00a0PATH\u00a0DBPATH\u00a0FORMDIR\u00a0DBDATE\u00a0LANG<\/p>\n

export\u00a0DBLANG\u00a0DBNLS\u00a0TERMCAP\u00a0TERM<\/p>\n

\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e\u6587\u4ef6\u4e2d\u8fd8\u53ef\u52a0\u5165\u5176\u5b83Shell\u8bed\u53e5<\/p>\n

\u7b2c\u4e8c\u7ae0\u00a0\u00a0Informix\u4ea7\u54c1\u7ebf\u53caDB\u5e94\u7528\u5f00\u53d1\u5de5\u5177\u7b80\u4ecb<\/p>\n

\u4e00.Informix(\u82f1\u5b5a\u7f8e)\u4ea7\u54c1\u7ebf\u7b80\u4ecb(\u4e09\u5927\u7c7b)\uff1a<\/p>\n

1.\u6570\u636e\u5e93\u670d\u52a1\u5668(Database\u00a0Server)\uff1a<\/p>\n

\u2460.ODS\u00a0(Informix-Online\u00a0Dynemic\u00a0Server)<\/p>\n

\u8054\u673a\u52a8\u6001\u670d\u52a1\u5668\uff0c\u591a\u7ebf\u7d22\uff0c\u591a\u6027\u80fd\u7684DB\u00a0server(\u6570\u636e\u5e93\u670d\u52a1\u5668)<\/p>\n

\u2461.XPS\u00a0(Informix-Online\u00a0Extended\u00a0Parallel\u00a0Server)<\/p>\n

\u5c06DSA\u6269\u5c55\u81f3\u677e\u8026\u5408\u6216\u975e\u5171\u4eab\u7684\u8ba1\u7b97\u4f53\u7cfb\u7ed3\u6784\uff0c\u52a8\u6001\u53ef\u7533\u7f29\u6027\u4f53\u7cfb\u7ed3\u6784(Dynemic\u00a0Scerable\u00a0Architerta)\uff0c\u9002\u7528\u4e8e\u5927\u578b\u6570\u636e\u5e93\u7684\u5e94\u7528\uff0c\u5e76\u884cSQL\u64cd\u4f5c\u3002<\/p>\n

\u2462.IUS\u00a0(Informix-Universbl\u00a0Server)<\/p>\n

\u5904\u7406\u4e30\u5bcc\u800c\u590d\u6742\u7684\u6570\u636e\u800c\u8bbe\u8ba1\uff0c\u5e76\u7528Datablade\u6a21\u5757\u6280\u672f\uff0c\u7528\u6765\u5b58\u50a8\u548c\u68c0\u7d22\u4e30\u5bcc\u7684\u591a\u5a92\u4f53Data\u53ca\u5176\u4ed6\u590d\u6742\u7684\u63d2\u5165\u6216\u5bf9\u8c61\u6269\u5c55\u6a21\u5757\u3002<\/p>\n

2.\u5e94\u7528\u5f00\u53d1\u5de5\u5177\uff1a<\/p>\n

\u2460.Informix-NERERA\u00a0\u9002\u7528\u4e8e\u5173\u952e\u6027\u4e1a\u52a1\u7684C\/S(\u5ba2\u6237\u673a\/\u670d\u52a1\u5668)\u6a21\u5f0f\uff0c\u5f00\u653e\u6027\uff0c\u56fe\u5f62\u5316\u9762\u5411\u5bf9\u8c61\u7684\u5f00\u53d1\u73af\u5883\u3002\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2514\u2192\u00a0Client\/Server\u00a0Model<\/p>\n

\u2461.Informix-4GL\u00a0\u00a0\u00a0\u00a0\u9002\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u4e1a\u52a1\u7684\u54d1\u7ec8\u7aef\u64cd\u4f5c\u65b9\u5f0f\uff0c\u9002\u7528\u6027\u5e7f\uff0c\u5f00\u53d1\u65b9\u4fbf\uff0c\u53ef\u7ef4\u62a4\u6027\u597d\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u65e0\u56fe\u5f62\u529f\u80fd\uff0c\u7528\u6237\u754c\u9762\u4e0d\u591f\u53cb\u597d\u3002<\/p>\n

\u2462.Informix-SQL\u00a0\u00a0\u00a0\u00a0\u7b26\u5408\u56fd\u9645\u6807\u51c6\u7684SQL\u8bed\u8a00\uff0c\u5177\u6709\u901a\u7528\u6027\uff0cDDL\u4e0eDML\u5408\u4e3a\u4e00\u4f53\uff0c\u9ad8\u5ea6\u7684\u975e\u8fc7\u7a0b\u5316\uff0c\u5206\u4e3a\u5d4c\u5165\u5f0f\u548c\u4ea4\u4e92\u5f0f\u4e24\u79cd\u5f62\u5f0f\uff0c\u5177\u6709\u6570\u636e\u63a7\u5236\uff0c\u8bbf\u95ee\u529f\u80fd\u3002<\/p>\n

\u2463.Informix-ESQL\/C\u00a0\u628aSQL\u5d4c\u5165C\u8bed\u8a00\u63d0\u4f9b\u5b9e\u73b0SQL\u8bed\u8a00\u7684\u76ee\u6807\u51fd\u6570\u5e93\uff0c\u5229\u7528\u5bbf\u4e3b\u7a0b\u5e8f\u5b8c\u6210\u4e00\u4e2a\u5e94\u7528\u7684\u8fc7\u7a0b\u3002<\/p>\n

3.\u8fde\u63a5\u5de5\u5177\uff1a<\/p>\n

c4gl\u00a0<*.4gl\u00a0*.c\u00a0*.ec\u00a0*.o>;\u00a0-c,o,s\u00a0<OBJ>;<\/p>\n

\u2514\u2192\u00a04gl\u00a0\u6e90\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1,\u8fde\u63a5\u751f\u6210\u76ee\u6807\u6587\u4ef6\u6216\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n

esql\u00a0<*.ec\u00a0*.c\u00a0*.o>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-c,o\u00a0\u00a0\u00a0<OBJ>;<\/p>\n

\u2514\u2192\u00a0esql\u6e90\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1,\u8fde\u63a5\u751f\u6210\u76ee\u6807\u6587\u4ef6\u6216\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n

cc\u00a0\u00a0\u00a0<*.c\u00a0*.o>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-c,o\u00a0\u00a0\u00a0<OBJ>;<\/p>\n

\u2514\u2192\u00a0c\u8bed\u8a00\u6e90\u7a0b\u5e8f\u6587\u4ef6\u7684\u7f16\u8bd1,\u8fde\u63a5\u751f\u6210\u76ee\u6807\u6587\u4ef6\u6216\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n

\u4e8c.SQL(Structured\u00a0Query\u00a0Language)\u7b80\u4ecb\uff1a<\/p>\n

1.SQL(\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00)\u7684\u4e3b\u8981\u7279\u70b9:(RDB\u00a0Server\u00a0\u5173\u7cfb\u578b\u6570\u636e\u5e93\u670d\u52a1\u5668)<\/p>\n

\u2460.\u4e00\u4f53\u5316:DDL\u4e0eDML\u5408\u4e3a\u4e00\u4f53.<\/p>\n

\u2461.\u9ad8\u5ea6\u975e\u8fc7\u7a0b\u5316:what\u00a0to\u00a0do\u00a0,not\u00a0how\u00a0to\u00a0do\u7528\u6237\u4f7f\u7528\u8d77\u6765\u7b80\u5355\u65b9\u4fbf.<\/p>\n

\u2462.\u5177\u6709SQL\u4ea4\u4e92\u5f0f\u4e0eSQL\u5d4c\u5165\u5f0f\u4e24\u79cd\u5f62\u5f0f.<\/p>\n

2.SQL\u8bed\u8a00\u7684\u5206\u7c7b:<\/p>\n

\u2460.DDL\u00a0(\u6570\u636e\u5b9a\u4e49\u8bed\u8a00):\u7528\u6765\u521b\u5efa,\u66f4\u6539,\u5220\u9664\u6570\u636e\u5e93\u57fa\u8868\u89c6\u56fe.<\/p>\n

\u2461.DML\u00a0(\u6570\u636e\u64cd\u7eb5\u8bed\u8a00):\u5bf9DB\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u6216\u589e\u5220\u6539\u64cd\u4f5c.<\/p>\n

\u2462.DCL\u00a0(\u6570\u636e\u63a7\u5236\u8bbf\u95ee\u8bed\u8a00):\u5bf9\u5b58\u53d6\u6743\u6839\u7684\u63a7\u5236,\u6388\u6743\u548c\u56de\u6536,\u6e38\u6807\u8bed\u53e5,\u52a8\u6001\u7ba1\u7406\u8bed\u53e5,\u6570\u636e\u5b8c\u6574\u6027\u8bed\u53e5,\u67e5\u8be2\u4f18\u5316\u8bed\u53e5,\u4e8b\u52a1\u5904\u7406\u8bed\u53e5.<\/p>\n

\u4e09.Stores7,Dbaccess,Isql,I4gl,Upscol\u7b49DBMS\u5b9e\u7528\u5de5\u5177:<\/p>\n

1.$dbaccessdemo7\u00a0\u00a0[DBname]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0[with\u00a0log]\u00a0<Retuen>;<\/p>\n

\u2514\u2192\u521b\u5efa\u8303\u4f8bDB\u00a0\u00a0\u2514\u2192\u6570\u636e\u5e93\u540d\u00a0\u00a0\u2514\u2192\u7f3a\u7701\u4e0d\u5e26\u7cfb\u7edf\u65e5\u5fd7<\/p>\n

2.$dbaccess\u00a0<Retuen>;<\/p>\n

\u2514\u2192\u6346\u7ed1\u5728Informix-Online\u00a0DB\u00a0Server\u4e0a\u7684\u4e00\u5957DBMS\u5b9e\u4f8b\u7a0b\u5e8f,\u53ef\u4ee5\u505a\u5230:<\/p>\n

\u2460.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u505a\u5230\u521b\u5efa\u548c\u5220\u9664\u6570\u636e\u5e93.<\/p>\n

\u2461.\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u5404\u79cd\u4fe1\u606f,\u7f16\u8f91\u4f7f\u7528SQL\u8bed\u53e5.<\/p>\n

\u2462.\u521b\u5efa,\u66f4\u6539,\u5220\u9664\u6570\u636e\u5e93\u57fa\u8868.<\/p>\n

\u2463.\u589e\u52a0,\u5220\u9664,\u4fee\u6539\u6570\u636e\u5e93\u4e2d\u539f\u59cb\u8bb0\u5f55.<\/p>\n

\u2464.\u4eceOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d\u88c5\u8f7d\u6570\u636e\u5230\u6570\u636e\u5e93\u4e2d.<\/p>\n

\u2465.\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5378\u51fa\u5230\u4e00\u4e2aOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d.<\/p>\n

\u2466.\u521b\u5efa\u56de\u6536\u6743\u9650.<\/p>\n

\u2467.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u521b\u5efa,\u5220\u9664,\u4fee\u6539Procedure\uff08\u8fc7\u7a0b\uff09\u3002<\/p>\n

3.$isql\u00a0<Retuen>;<\/p>\n

\u2514\u2192\u6346\u7ed1\u5728Informix-Online\u00a0DB\u00a0Server\u4e0a\u7684\u4e00\u5957DBMS\u5b9e\u4f8b\u7a0b\u5e8f,\u53ef\u4ee5\u505a\u5230:<\/p>\n

\u2460.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u505a\u5230\u521b\u5efa\u548c\u5220\u9664\u6570\u636e\u5e93.<\/p>\n

\u2461.\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u5404\u79cd\u4fe1\u606f,\u7f16\u8f91\u4f7f\u7528SQL\u8bed\u53e5.<\/p>\n

\u2462.\u521b\u5efa,\u66f4\u6539,\u5220\u9664\u6570\u636e\u5e93\u57fa\u8868.<\/p>\n

\u2463.\u589e\u52a0,\u5220\u9664,\u4fee\u6539\u6570\u636e\u5e93\u4e2d\u539f\u59cb\u8bb0\u5f55.<\/p>\n

\u2464.\u4eceOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d\u88c5\u8f7d\u6570\u636e\u5230\u6570\u636e\u5e93\u4e2d.<\/p>\n

\u2465.\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5378\u51fa\u5230\u4e00\u4e2aOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d.<\/p>\n

\u2466.\u521b\u5efa\u56de\u6536\u6743\u9650.<\/p>\n

\u2467.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u521b\u5efa,\u5220\u9664,\u4fee\u6539,\u7f16\u8bd1\u5c4f\u5e55\u8868\u683c\u6587\u4ef6(*.per),\u5e76\u8fd0\u884c.<\/p>\n

\u2468.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u521b\u5efa,\u5220\u9664,\u4fee\u6539,\u7f16\u8bd1\u62a5\u8868\u6587\u4ef6(*.ace),\u5e76\u8fd0\u884c.<\/p>\n

4.$i4ql\u00a0<Retuen>;<\/p>\n

\u2514\u2192\u6346\u7ed1\u5728Informix-Online\u00a0DB\u00a0Server\u4e0a\u7684\u4e00\u5957Informix-4GL\u5b9e\u4f8b\u7a0b\u5e8f,\u53ef\u4ee5\u505a\u5230:<\/p>\n

\u2460.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u505a\u5230\u521b\u5efa\u548c\u5220\u9664\u6570\u636e\u5e93.<\/p>\n

\u2461.\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u5404\u79cd\u4fe1\u606f,\u7f16\u8f91\u4f7f\u7528SQL\u8bed\u53e5.<\/p>\n

\u2462.\u521b\u5efa,\u66f4\u6539,\u5220\u9664\u6570\u636e\u5e93\u57fa\u8868.<\/p>\n

\u2463.\u589e\u52a0,\u5220\u9664,\u4fee\u6539\u6570\u636e\u5e93\u4e2d\u539f\u59cb\u8bb0\u5f55.<\/p>\n

\u2464.\u4eceOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d\u88c5\u8f7d\u6570\u636e\u5230\u6570\u636e\u5e93\u4e2d.<\/p>\n

\u2465.\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5378\u51fa\u5230\u4e00\u4e2aOS(\u64cd\u4f5c\u7cfb\u7edf)\u6587\u4ef6\u4e2d.<\/p>\n

\u2466.\u6388\u6743\u548c\u56de\u6536\u6743\u9650.<\/p>\n

\u2467.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u521b\u5efa,\u4fee\u6539,\u7f16\u8bd1\u5c4f\u5e55\u8868\u683c\u6587\u4ef6(*.per).<\/p>\n

\u2468.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u521b\u5efa,\u5220\u9664,\u4fee\u6539,\u7f16\u8bd1,\u8fd0\u884cInformix-4GL\u6e90\u7a0b\u5e8f\u6587\u4ef6(*.4gl).<\/p>\n

5.$upscol\u00a0<Retuen>;<\/p>\n

\u2514\u2192\u6346\u7ed1\u5728Informix-Online\u00a0DB\u00a0Server\u4e0a\u7684\u4e00\u5957\u5c4f\u5e55\u5c5e\u6027\u5b9e\u4f8b\u7a0b\u5e8f,\u53ef\u4ee5\u505a\u5230:<\/p>\n

\u2460.\u5229\u7528\u8be5\u5de5\u5177\u53ef\u4ee5\u8c03\u6574\u5c4f\u5e55\u5b57\u6bb5\u7684\u6570\u636e\u5c5e\u6027\u548c\u663e\u793a\u5c5e\u6027.<\/p>\n

\u2461.\u8c03\u6574\u5c4f\u5e55\u5b57\u6bb5\u7684\u524d\u80cc\u989c\u8272,\u4e0b\u5212\u7ebf,\u53cd\u663e\u7b49.<\/p>\n

\u2462.\u8c03\u6574\u5c4f\u5e55\u5b57\u6bb5\u7684\u6570\u636e\u683c\u5f0f,\u6d88\u606f,\u9650\u5236\u8f93\u5165\u7b49.<\/p>\n

6.$form4gl\u00a0<\u6587\u4ef6\u540d>;\u00a0<Return>;<\/p>\n

\u2460.\u7f16\u8bd1\u5df2\u5b58\u5728\u7684\u5c4f\u5e55\u8868\u683c\u6587\u4ef6:<\/p>\n

form4gl\u00a0\u00a0\u00a0\u00a0<*?*.per>;<\/p>\n

\u2514\u2192\u88ab\u7f16\u8bd1\u7684\u5c4f\u5e55\u8868\u683c\u6587\u4ef6\u540d<\/p>\n

\u2461.\u4e3a\u6307\u5b9a\u6570\u636e\u5e93\u4e2d\u7684\u8868\u683c\u751f\u6210\u9ed8\u8ba4\u5c4f\u5e55\u683c\u5f0f\u6587\u4ef6:<\/p>\n

form4gl\u00a0-d\u00a0<filename>;\u00a0\u00a0\u00a0\u00a0<DB\u00a0Server>;\u00a0\u00a0\u00a0<Table>;<\/p>\n

\u2514\u2192\u751f\u6210\u6587\u4ef6\u00a0\u00a0\u2514\u2192\u6570\u636e\u5e93\u540d\u00a0\u00a0\u2514\u2192\u8868\u540d<\/p>\n

7.$c4gl\u00a0<*.4gl>;\u00a0<Return>;<\/p>\n

\u4f7f\u7528\u65b9\u6cd5:\u00a0c4gl\u00a0[-Vaeqcz]\u00a0[-phase\u00a012345]\u00a0[-ansi]\u00a0[-anyerr]<\/p>\n

[-globcurs\u00a0|\u00a0-localcurs]\u00a0[-nokeep\u00a0|\u00a0-keep]<\/p>\n

[-static\u00a0|\u00a0-shared]\u00a0[-nolinenos\u00a0|\u00a0-linenos]\u00a0[-otherargs]<\/p>\n

[source.4gl\u00a0…]\u00a0[othersrc.c\u00a0…]\u00a0[otheresql.ec\u00a0…]<\/p>\n

[otherobj.o\u00a0…]\u00a0[yourlib.a\u00a0…]\u00a0[-o\u00a0outfile]<\/p>\n

\u5f00\u5173\u53c2\u6570\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528\u8bf4\u660e<\/p>\n

-V\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Display\u00a0version\u00a0of\u00a04gl\u00a0only<\/p>\n

-a\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Do\u00a0array\u00a0bounds\u00a0checking<\/p>\n

-e\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Preprocess\u00a0only,\u00a0no\u00a0compilation\u00a0or\u00a0linking<\/p>\n

-q\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Quiet\u00a0mode\u00a0for\u00a0i4glc1\u00a0[phase\u00a01]<\/p>\n

-c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Preprocess\u00a0&\u00a0compile\u00a0only,\u00a0no\u00a0linking<\/p>\n

-z\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Allow\u00a0variable\u00a0number\u00a0of\u00a0arguments\u00a0to\u00a0functions<\/p>\n

-phase\u00a012345\u00a0\u00a0Process\u00a0only\u00a0the\u00a0phase\u00a0that\u00a0indicated<\/p>\n

-ansi\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Check\u00a0SQL\u00a0statements\u00a0for\u00a0ANSI\u00a0compliance<\/p>\n

-anyerr\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Set\u00a0status\u00a0variable\u00a0after\u00a0expressions<\/p>\n

-globcurs\u00a0\u00a0\u00a0\u00a0\u00a0Make\u00a0cursor\u00a0definitions\u00a0global\u00a0to\u00a0program<\/p>\n

-localcurs\u00a0\u00a0\u00a0\u00a0Make\u00a0cursor\u00a0definitions\u00a0local\u00a0to\u00a0module\u00a0(default)<\/p>\n

-nokeep\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Delete\u00a0intermediate\u00a0.4ec,\u00a0.ec,\u00a0and\u00a0.c\u00a0files\u00a0(default)<\/p>\n

-keep\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Keep\u00a0intermediate\u00a0.4ec,\u00a0.ec,\u00a0and\u00a0.c\u00a0files<\/p>\n

-linenos\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Produce\u00a0#line\u00a0numbering\u00a0in\u00a0.c\u00a0file\u00a0(default)<\/p>\n

-nolinenos\u00a0\u00a0\u00a0\u00a0Suppress\u00a0#line\u00a0numbering\u00a0in\u00a0.c\u00a0file<\/p>\n

-static\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Use\u00a0static\u00a0libraries<\/p>\n

-shared\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Use\u00a0dynamic\u00a0linking\u00a0and\u00a0shared\u00a0libraries<\/p>\n

-otherargs\u00a0\u00a0\u00a0\u00a0Other\u00a0arguments\u00a0are\u00a0passed\u00a0to\u00a0the\u00a0C\u00a0compiler<\/p>\n

-o\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Next\u00a0argument\u00a0is\u00a0name\u00a0of\u00a0executable<\/p>\n

8.$esql\u00a0<*.ec>;\u00a0<Return>;<\/p>\n

\u4f7f\u7528\u65b9\u6cd5:\u00a0esql\u00a0[-e]\u00a0[-static]\u00a0[-shared]\u00a0[-esqlcargs]\u00a0[-otherargs]<\/p>\n

[-o\u00a0outfile]\u00a0[-libs]\u00a0esqlfile.ec<\/p>\n

[othersrc.c…]\u00a0[otherobj.o…]\u00a0[-lyourlib…]<\/p>\n

\u5f00\u5173\u53c2\u6570\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528\u8bf4\u660e<\/p>\n

-e\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Preprocess\u00a0only,\u00a0no\u00a0compilation\u00a0or\u00a0linking<\/p>\n

-static\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Use\u00a0informix\u00a0static\u00a0libraries.<\/p>\n

-shared\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Use\u00a0informix\u00a0shared\u00a0libraries\u00a0(\u00a0default\u00a0is\u00a0shared).<\/p>\n

-esqlcargs\u00a0\u00a0\u00a0\u00a0esqlc\u00a0arguments\u00a0(-g,\u00a0-G,\u00a0-nln,\u00a0-Ipathname,\u00a0-nowarn,\u00a0-V,\u00a0-ansi,-xopen,\u00a0-local,\u00a0-log,\u00a0-EDname,\u00a0-EUname,\u00a0-icheck)<\/p>\n

-otherargs\u00a0\u00a0\u00a0\u00a0Other\u00a0arguments\u00a0are\u00a0passed\u00a0to\u00a0cc<\/p>\n

-o\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Next\u00a0argument\u00a0is\u00a0program\u00a0name<\/p>\n

-libs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Display\u00a0the\u00a0list\u00a0of\u00a0libraries\u00a0used\u00a0by\u00a0esql\u00a0at\u00a0link\u00a0time.<\/p>\n

9.dbexport,dbimport,dbschema,ontape\u6570\u636e\u5e93\u540e\u5907\u5de5\u5177:<\/p>\n

dbexport\u4ee5\u6587\u672c\u5f62\u5f0f\u5378\u51fa\u6570\u636e\u5e93\u6587\u4ef6(Table\u3001View\u3001Procedure\u3001Trigger\u7b49)<\/p>\n

dbexport\u00a0<Dbname>;\u00a0\u6216\u00a0dbexport\u00a0<Dbname>;\u00a0\u2013t\u00a0\/dev\/rStp0\u00a0\u2013s\u00a0\u2013b<\/p>\n

dbimport\u4ee5\u6587\u672c\u5f62\u5f0f\u4e0a\u8f7d\u6570\u636e\u5e93\u6587\u4ef6(Table\u3001View\u3001Procedure\u3001Trigger\u7b49)<\/p>\n

dbimport\u00a0<Dbname>;\u00a0-d\u00a0workdbs\u00a0\u2013l\u00a0buffered<\/p>\n

dbschema\u00a0\u4ee5\u6587\u672c\u5f62\u5f0f\u5378\u51fa\u6570\u636e\u5e93\u7684\u5efa\u8868\u3001\u5efa\u8fc7\u7a0b\u7684SQL\u6587\u4ef6<\/p>\n

dbschema\u00a0\u2013d\u00a0<Dbname>;\u00a0-t\u00a0<Tabname|all>;\u00a0-ss\u00a0<Filename>;\u00a0\u5378\u51fa\u6307\u5b9a\u8868\u6216\u6240\u6709\u8868<\/p>\n

dbschema\u00a0\u2013d\u00a0<Dbname>;\u00a0-f\u00a0<Procname|all>;\u00a0-ss\u00a0<Filename>;\u00a0\u5378\u51fa\u6307\u5b9a\u8fc7\u7a0b\u6216\u6240\u6709\u8fc7\u7a0b<\/p>\n

ontape\u00a0\u6570\u636e\u5e93\u7cfb\u7edf\u5907\u4efd\u5de5\u5177<\/p>\n

ontape\u00a0\u2013s\u00a0\u2013B\u00a0<Dbname>;\u00a0\u4e3a\u6307\u5b9a\u6570\u636e\u5e93\u6062\u590d\uff22uffered\u65e5\u5fd7<\/p>\n

\u7b2c\u4e09\u7ae0\u00a0\u00a0\u00a0Informix-SQL\u00a0Version\u00a06.05.UD1\u00a0\u5e94\u7528<\/p>\n

\u4e00.\u6709\u5173\u6570\u636e\u5e93,\u57fa\u8868,\u7d22\u5f15\u7684\u521b\u5efa\u4e0e\u5220\u9664<\/p>\n

1.\u8bed\u6cd5\u7ea6\u5b9a:<\/p>\n

<……>;\u00a0\u00a0\u00a0\u00a0\u00a0\u8868\u793a\u5fc5\u9009\u9879<\/p>\n

{……}\u00a0\u00a0\u00a0\u00a0\u00a0\u8868\u793a\u5fc5\u9009\u5176\u4e2d\u9879<\/p>\n

[……]\u00a0\u00a0\u00a0\u00a0\u00a0\u8868\u793a\u53ef\u9009\u9879<\/p>\n

(……)\u00a0\u00a0\u00a0\u00a0\u00a0\u8868\u793a\u8bed\u53e5\u7684\u4e00\u90e8\u5206<\/p>\n

|\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8868\u793a\u591a\u9879\u9009\u4e00<\/p>\n

\u5927\u5199[A-Z]\u00a0\u00a0\u00a0\u00a0\u8868\u793aInformix\u7684\u4fdd\u7559\u5b57<\/p>\n

\u5c0f\u5199[a-z]\u00a0\u00a0\u00a0\u00a0\u8868\u793aInformix\u7684\u5e93\u540d,\u8868\u540d,\u5b57\u6bb5\u540d,\u53d8\u91cf\u540d<\/p>\n

2.\u6570\u636e\u5e93(Database):<\/p>\n

\u2460.\u521b\u5efa\u4e00\u4e2aDB:<\/p>\n

CREATE\u00a0DATABASE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<DB\u00a0name>;\u00a0\u00a0\u00a0\u00a0\u00a0[WITH\u00a0BUFFERED\u00a0LOG]<\/p>\n

\u2514\u2500\u2534\u2192\u8bed\u6cd5\u5173\u952e\u5b57\u00a0\u00a0\u2514\u2192\u6570\u636e\u5e93\u540d\u00a0\u00a0\u00a0\u00a0\u00a0\u2514\u2192\u662f\u5426\u5e26\u6570\u636e\u5e93\u65e5\u5fd7<\/p>\n

\u521b\u5efa\u4e00\u4e2aDB\u540c\u65f6\u4e5f\u6253\u5f00\u4e86\u8fd9\u4e2aDB<\/p>\n

\u2461.\u6570\u636e\u5e93\u547d\u540d\u89c4\u5219:<\/p>\n

\u3220.\u6570\u636e\u5e93\u540d\u4e0d\u8d85\u8fc710\u4e2a\u5b57\u7b26.<\/p>\n

\u3221.\u5fc5\u987b\u4ee5\u5b57\u6bcd\u6253\u5934,\u5176\u4f59\u90e8\u5206\u53ef\u4ee5\u662f\u5b57\u6bcd,\u6570\u5b57,\u4e0b\u5212\u7ebf\u7684\u4efb\u610f\u7ec4\u5408.<\/p>\n

\u3222.\u5728\u540c\u4e00\u6570DB\u00a0Server(\u636e\u5e93\u670d\u52a1\u5668\uff09\u4e2d\u6570\u636e\u5e93\u540d\u5e94\u5177\u6709\u552f\u4e00\u6027.<\/p>\n

\u3223.\u6570\u636e\u5e93\u540d\u4e0d\u5f97\u662fInformix\u7684\u4fdd\u7559\u5b57<\/p>\n

3.\u6570\u636e\u5e93\u57fa\u8868(Table)\uff1a<\/p>\n

\u2460.\u521b\u5efa\u4e00\u4e2aDB\u00a0Table\uff1a<\/p>\n

DATABASE\u00a0\u00a0\u00a0\u00a0\u00a0<DB\u00a0name>;\u00a0\u00a0\u00a0\u2192\u6570\u636e\u5e93\u540d<\/p>\n

CREATE\u00a0TABLE\u00a0<TB\u00a0name>;\u00a0\u00a0\u00a0\u2192\u6570\u636e\u5e93\u8868\u540d<\/p>\n

\u5b57\u6bb5\u540d\u79f0\u00a0\u00a0\u5b57\u6bb5\u7c7b\u578b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5b57\u6bb5\u8bf4\u660e<\/p>\n

\uff08column0\u00a0\u00a0serial(1)\u00a0\u00a0\u00a0,\u00a0#\u6709\u5e8f\u6574\u6570\u578b\uff0c\u5176\u521d\u59cb\u503c\u4e3a1<\/p>\n

column1\u00a0\u00a0integer\u00a0\u00a0\u00a0\u00a0\u00a0,\u00a0#\u4ece-2147483647\u5230+2147483647\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n

column2\u00a0\u00a0smallint\u00a0\u00a0\u00a0\u00a0,\u00a0#\u4ece-32767\u5230+32767\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n

column3\u00a0\u00a0float\u00a0default\u00a00.00\u00a0not\u00a0null\uff0c#\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570<\/p>\n

column4\u00a0\u00a0smallfloat\u00a0\u00a0,\u00a0#\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570<\/p>\n

column5\u00a0\u00a0decimal(m,n),\u00a0#\u5177\u6709\u53ef\u5b9a\u4e49\u7cbe\u5ea6\u7684\u6570\u5b57(\u5de6\u8fb9m-n\u4f4d,\u53f3\u8fb9n\u4f4d)<\/p>\n

column6\u00a0\u00a0money(m,n)\u00a0\u00a0,\u00a0#\u4e0edecimal\u578b\u76f8\u540c\uff08\u8d27\u5e01\u578b\uff09<\/p>\n

column7\u00a0\u00a0date\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0,\u00a0#\u65e5\u671f\u578b<\/p>\n

column8\u00a0\u00a0datetime\u00a0year\u00a0to\u00a0second,#\u65e5\u671f\u65f6\u95f4\u578b(1999-09-07\u00a009:52:52)<\/p>\n

column9\u00a0\u00a0char(n)\u00a0\u00a0\u00a0\u00a0\u00a0,\u00a0#\u5b57\u7b26\u578b\u00a0\u00a0n\u8868\u793a\u5b57\u7b26\u957f\u5ea6<\/p>\n

column10\u00a0varchar(n)\u00a0\u00a0,\u00a0#\u5b57\u7b26\u578b(\u6700\u540e\u4e00\u4e2a\u5b57\u6bb5\u65e0\u9017\u53f7)<\/p>\n

check\u00a0(\u5b57\u6bb5\u540d\u00a0in(\u503c1,\u503c2,\u503c3)\u00a0constraint\u00a0\u540d\u79f0,<\/p>\n

primary\u00a0key(\u5b57\u6bb51,\u5b57\u6bb52,\u5b57\u6bb5n)\u00a0constraint\u00a0\u540d\u79f0\u00a0##\u4e3b\u952e\u552f\u4e00,\u975e\u7a7a<\/p>\n

\uff09;<\/p>\n

\u6570\u00a0\u636e\u00a0\u7c7b\u00a0\u578b
\n\u5b57\u00a0\u00a0\u00a0\u6bb5\u00a0\u00a0\u00a0\u957f\u00a0\u00a0\u00a0\u5ea6<\/p>\n

CHAR
\n\u8bed\u53e5\u4e2d\u5b9a\u4e49\u7684\u957f\u5ea6<\/p>\n

VARCHAR
\n\u8bed\u53e5\u4e2d\u5b9a\u4e49\u7684\u957f\u5ea6<\/p>\n

SMALLINT
\n2\u4e2a\u5b57\u8282<\/p>\n

INTEGER
\n4\u4e2a\u5b57\u8282<\/p>\n

SMALLFLOAT
\n4\u4e2a\u5b57\u8282<\/p>\n

FLOAT
\n8\u4e2a\u5b57\u8282<\/p>\n

SERIAL
\n4\u4e2a\u5b57\u8282<\/p>\n

DATE
\n4\u4e2a\u5b57\u8282<\/p>\n

DATETIME
\n8\u4e2a\u5b57\u8282(Year\u00a0to\u00a0Second),\u5176\u5b83\u4e3a4<\/p>\n

DECIMAL(m,n)
\n\u4f9d\u8d56\u7cbe\u5ea6(m\/2+1\u56db\u820d\u4e94\u5165\u5230\u4e0b\u4e00\u6574\u6570)<\/p>\n

MONEY(m,n)
\n\u4f9d\u8d56\u7cbe\u5ea6(m\/2+1\u56db\u820d\u4e94\u5165\u5230\u4e0b\u4e00\u6574\u6570)<\/p>\n

\u2461.\u57fa\u8868\u547d\u540d\u89c4\u5219\uff1a<\/p>\n

\u3220.\u8868\u540d\u6700\u591a\u4e0d\u8d85\u8fc718\u4e2a\u5b57\u7b26\uff0c\u9664\u6b64\u4ee5\u5916\u4e0e\u6570\u636e\u5e93\u547d\u540d\u89c4\u5219\u96f7\u540c.<\/p>\n

\u3221.\u5fc5\u987b\u4ee5\u5b57\u6bcd\u6253\u5934,\u5176\u4f59\u90e8\u5206\u53ef\u4ee5\u662f\u5b57\u6bcd,\u6570\u5b57,\u4e0b\u5212\u7ebf\u7684\u4efb\u610f\u7ec4\u5408.<\/p>\n

\u3222.\u5728\u540c\u4e00\u6570\u636e\u5e93\u4e2d\u8868\u540d\u5e94\u5177\u6709\u552f\u4e00\u6027.<\/p>\n

\u3223.\u8868\u540d\u4e0d\u5f97\u662fInformix\u7684\u4fdd\u7559\u5b57.<\/p>\n

\u3224.\u8868\u4e2d\u5b57\u6bb5\u540d\u4e0d\u5f97\u8d85\u8fc718\u4e2a\u5b57\u7b26\uff0c\u5b9a\u4e49like\u00a0table.*\u00a0\u5fc5\u987b\u4fdd\u8bc1\u524d8\u4e2a\u5b57\u7b26\u7684\u552f\u4e00\u6027\u3002<\/p>\n

\u3225.\u8868\u4e2d\u5b57\u6bb5\u540d\u4e0d\u5f97\u91cd\u590d\uff08\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff09\u3002<\/p>\n

4.\u7d22\u5f15(Index)\uff1a<\/p>\n

\u2460.\u7d22\u5f15\u5206\u7c7b\uff1a<\/p>\n

\u3220.\u5355\u5b57\u6bb5\u7d22\u5f15\uff1a\u63d0\u9ad8\u67e5\u8be2\u548c\u5206\u7c7b\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n

\u3221.\u591a\u5b57\u6bb5\u7d22\u5f15\uff1a\u52a0\u5feb\u51e0\u4e2a\u5b57\u6bb5\u5206\u7c7b\u5904\u7406\u7684\u901f\u5ea6\u3002<\/p>\n

\u7d22\u5f15\u4ec5\u662f\u52a0\u5feb\u6570\u636e\u5206\u7c7b\u5904\u7406\u7684\u901f\u5ea6\u3002<\/p>\n

\u2461.\u7d22\u5f15\u89c4\u5219\uff1a<\/p>\n

\u3220.\u76f4\u5230\u8868\u4e2d\u6709\u4e0a\u767e\u6761\u8bb0\u5f55\u65f6\u624d\u52a0\u7d22\u5f15.<\/p>\n

\u3221.\u7ecf\u5e38\u7528\u4e8e\u68c0\u7d22\u548c\u6392\u5e8f\u64cd\u4f5c\u7684\u5b57\u6bb5.<\/p>\n

\u3222.\u7528\u4e8e\u8fde\u63a5\u8868\u548c\u4f7f\u7528\u9891\u7387\u9ad8\u7684\u5b57\u6bb5\u3002<\/p>\n

\u3223.\u4e0d\u8981\u5bf9\u542b\u6709\u5927\u91cf\u91cd\u590d\u503c\u7684\u5b57\u6bb5\u52a0\u7d22\u5f15,\u7d22\u5f15\u5b57\u6bb5\u4e2d\u76f8\u540c\u7684\u503c\u4e0d\u5f97\u51fa\u73b0\u591a\u4e8e65536\u6b21<\/p>\n

\u3224.\u4e0d\u5f97\u5bf9\u591a\u4e8e8\u4e2a\u5b57\u6bb5\u7684\u7ec4\u52a0\u7d22\u5f15\u3002<\/p>\n

\u3225.\u4e0d\u5f97\u5bf9\u957f\u5ea6\u8d85\u8fc7120\u5b57\u8282\u7684\u4e00\u4e2a\u5b57\u6bb5\u6216\u4e00\u7ec4\u5b57\u6bb5\u52a0\u7d22\u5f15\u3002<\/p>\n

\u3226.\u7d22\u5f15\u547d\u540d\u89c4\u5219\u4e0e\u8868\u540d\u547d\u540d\u89c4\u5219\u76f8\u4f3c\u3002<\/p>\n

\u2462.\u521b\u5efa\u7d22\u5f15\uff1a<\/p>\n

CREATE\u00a0[UNIQUE|DISTINCT]\u00a0INDEX\u00a0<IDX\u00a0name>;\u00a0\u00a0\u2192\u7d22\u5f15\u540d<\/p>\n

\u2514\u2192\u552f\u4e00\u7d22\u5f15\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ON\u00a0<TB\u00a0\u00a0name>;\u00a0\u00a0\u2192\u8868\u540d<\/p>\n

(column1\u00a0[DESC],column2,..,columnn)<\/p>\n

\u2514\u2192\u964d\u5e8f\u7d22\u5f15<\/p>\n

5.\u89c6\u56fe\uff08View\uff09\uff1a<\/p>\n

\u2460.\u89c6\u56fe\u5b9a\u4e49\uff1a\u89c6\u56fe\u662f\u6570\u636e\u5e93\u4e0a\u52a8\u6001\u7684\u7a97\u53e3\u800c\u4e0d\u662f\u9759\u6001\u7684\u72b6\u51b5\uff0c\u5e76\u4e14\u662f\u4ee5\u6570\u636e\u5e93\u8868\u7684\u5f62\u5f0f\u51fa\u73b0\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u6388\u6743\u4e0e\u589e\u3001\u5220\u3001\u6539\u64cd\u4f5c\u4e0e\u57fa\u8868\u7684\u64cd\u4f5c\u4e00\u81f4\u3002<\/p>\n

\u2461.\u89c6\u56fe\u547d\u540d\u89c4\u5219\uff1a<\/p>\n

\u3220.\u8868\u540d\u6700\u591a\u4e0d\u8d85\u8fc718\u4e2a\u5b57\u7b26\uff0c\u9664\u6b64\u4ee5\u5916\u4e0e\u6570\u636e\u5e93\u57fa\u8868\u7684\u547d\u540d\u89c4\u5219\u96f7\u540c.<\/p>\n

\u3221.\u5fc5\u987b\u4ee5\u5b57\u6bcd\u6253\u5934,\u5176\u4f59\u90e8\u5206\u53ef\u4ee5\u662f\u5b57\u6bcd,\u6570\u5b57,\u4e0b\u5212\u7ebf\u7684\u4efb\u610f\u7ec4\u5408.<\/p>\n

\u3222.\u5728\u540c\u4e00\u6570\u636e\u5e93\u4e2d\u89c6\u56fe\u540d\u5e94\u5177\u6709\u552f\u4e00\u6027.<\/p>\n

\u3223.\u89c6\u56fe\u540d\u4e0d\u5f97\u662fInformix\u7684\u4fdd\u7559\u5b57.<\/p>\n

\u3224.\u89c6\u56fe\u4e2d\u5b57\u6bb5\u540d\u4e0d\u5f97\u8d85\u8fc718\u4e2a\u5b57\u7b26\uff0c\u5fc5\u987b\u4fdd\u8bc1\u524d8\u4e2a\u5b57\u7b26\u7684\u552f\u4e00\u6027\u3002<\/p>\n

\u3225.\u89c6\u56fe\u4e2d\u5b57\u6bb5\u540d\u4e0d\u5f97\u91cd\u590d\uff08\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff09\uff0c\u5e94\u5177\u6709\u552f\u4e00\u6027\u3002<\/p>\n

\u2462.\u89c6\u56fe\u4efb\u52a1\uff1a<\/p>\n

\u3220.\u5728\u6570\u636e\u5e93\u4e0a\u4e3a\u4e0d\u540c\u7684\u7528\u6237\u63d0\u4f9b\u4e0d\u540c\u7684\u6570\u636e\u7a97\u53e3\uff0c\u4e00\u4e2a\u5355\u72ec\u7684\u89c6\u56fe\u53ef\u4ee5\u5305\u542b\u6765\u81ea\u4e0d\u540c\u7684\u8868\u7684\u5b57\u6bb5\uff08\u5b57\u6bb5\u4e0d\u5f97\u540c\u540d\uff09\u3002<\/p>\n

\u3221.\u9650\u5236\u67d0\u4e9b\u654f\u611f\u6570\u636e\u7684\u5b58\u53d6\uff0c\u53ea\u5141\u8bb8\u7528\u6237\u67e5\u770b\u805a\u5408\u4fe1\u606f\u3002<\/p>\n

\u3222.\u5141\u8bb8\u7528\u6237\u8c61\u4fee\u6539\u3001\u63d2\u5165\u548c\u5220\u9664\u6570\u636e\u5e93\u4e2d\u5982\u540c\u5728\u89c6\u56fe\u4e2d\u51fa\u73b0\u90a3\u6837\u88ab\u7ec4\u7ec7\u8d77\u6765\u7684\u6570\u636e<\/p>\n

\u2463.\u89c6\u56fe\u4e0e\u57fa\u8868\u7684\u533a\u522b:<\/p>\n

\u3220.\u4e0d\u80fd\u5229\u7528\u89c6\u56fe\u53d6\u4ee3\u683c\u5f0f\u8bf4\u660e\u6587\u4ef6\u4e2d\u7684\u8868\u3002<\/p>\n

\u3221.\u4e0d\u80fd\u5728\u89c6\u56fe\u4e0a\u5efa\u7acb\u7d22\u5f15\u3002<\/p>\n

\u3222.\u67d0\u4e9b\u6761\u4ef6\u4e0b\u4e0d\u80fd\u901a\u8fc7\u89c6\u56fe\u66f4\u65b0\u6216\u5220\u9664\u770b\u5230\u7684\u6570\u636e\u3002<\/p>\n

\u3223.\u4e0d\u80fd\u901a\u8fc7ROWID\u5b58\u53d6\u8868\u3002<\/p>\n

\u2464.\u521b\u5efa\u4e0e\u5220\u9664\u89c6\u56fe\uff1a<\/p>\n

CREATE\u00a0VIEW\u00a0<View\u00a0Name>;[\uff08\u5b57\u6bb51,…,\u5b57\u6bb5n\uff09]<\/p>\n

\u2514\u2192\u89c6\u56fe\u540d\u79f0<\/p>\n

AS\u00a0SELECT\u00a0<\u6807\u51c6Select\u00a0\u8bed\u53e5>;\u00a0\u2192\u4e0d\u5f97\u4f7f\u7528UNION\u64cd\u4f5c\u7b26<\/p>\n

[WITH\u00a0CHECK\u00a0OPTION]\u00a0\u2192\u8f93\u5165\u4e0e\u4fee\u6539\u662f\u5426\u6ee1\u8db3SELECT\u8bed\u53e5\u6761\u4ef6<\/p>\n

6.\u5220\u9664\u6570\u636e\u5e93\u3001\u8868\u3001\u7d22\u5f15\u3001\u89c6\u56fe\uff1a<\/p>\n

\u2460.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5220\u9664\u6570\u636e\u5e93:drop\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<DB\u00a0\u00a0name>;<\/p>\n

\u2461.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5220\u9664\u8868\u00a0\u00a0\u00a0\u00a0:drop\u00a0table\u00a0<TB\u00a0\u00a0name>;<\/p>\n

\u2462.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5220\u9664\u7d22\u5f15\u00a0\u00a0:drop\u00a0index\u00a0<IDX\u00a0name>;<\/p>\n

\u2463.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5220\u9664\u89c6\u56fe\u00a0\u00a0:drop\u00a0view\u00a0\u00a0<VEW\u00a0name>;<\/p>\n

\u5220\u9664\u6570\u636e\u5e93\u524d\u5fc5\u987b\u5173\u95ed\u6b64\u6570\u636e\u5e93\uff0c\u5220\u9664\u6570\u636e\u5e93\u540c\u65f6\u4e5f\u5220\u9664\u4e86\u8be5\u6570\u636e\u5e93\u7684\u6240\u6709\u8868\u3001\u7d22\u5f15\u3001\u89c6\u56fe\u3002<\/p>\n

\n

\u00a0stroustrup \u56de\u590d\u4e8e\uff1a2003-09-01 15:44:17<\/b><\/p>\n

\u4e8c.SQL\u5b9e\u9645\u5e94\u7528\uff1a<\/p>\n

1.INSERT\u00a0\u8bed\u53e5\uff1a\uff08\u5411\u6570\u636e\u5e93\u7684\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u884c\u8bb0\u5f55\uff09<\/p>\n

INSERT\u00a0INTO\u00a0<TB\u00a0name>;(column1,comumn2,…,comumnn)<\/p>\n

\u2514\u2192\u8868\u540d\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2514\u2192\u5b57\u6bb5\u540d\u8868\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u5b57\u6bb5<\/p>\n

VALUES\u00a0(value_list)\u2192\u503c\u5217\u8868<\/p>\n

2.DELETE\u00a0\u8bed\u53e5\uff1a\uff08\u4ece\u6570\u636e\u5e93\u7684\u8868\u4e2d\u5220\u9664\u82e5\u5e72\u6761\u6ee1\u8db3\u6761\u4ef6\u7684\u884c\u8bb0\u5f55\uff09<\/p>\n

DELETE\u00a0FROM\u00a0\u00a0<TB\u00a0name>;\u00a0\u00a0\uff08WHERE\u00a0\u6761\u4ef6\u5217\u8868)\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u884c\u8bb0\u5f55<\/p>\n

\u2514\u2192\u8868\u540d<\/p>\n

3.UPDATE\u00a0\u8bed\u53e5\uff1a\uff08\u4fee\u6539\u6570\u636e\u5e93\u8868\u4e2d\u6ee1\u8db3\u6761\u4ef6\u7684\u82e5\u5e72\u6761\u884c\u8bb0\u5f55\uff09<\/p>\n

UPDATE\u00a0STATISTICS\u00a0\uff08TB\u00a0name\uff09\u2192\u4e3a\u6307\u5b9a\u6570\u636e\u5e93\u8868\u66f4\u7edf\u8ba1(\u7f3a\u7701\u4e3a\u6240\u6709)<\/p>\n

\u2514\u2192\u8868\u540d<\/p>\n

UPDATE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<TB\u00a0name>;\u00a0\u00a0SET\u00a0\u00a0<\u5b57\u6bb51\uff1d\u00a0\u503c1\uff0c\u5b57\u6bb5n\uff1d\u00a0\u503cn>;<\/p>\n

\u2514\u2192\u8868\u540d<\/p>\n

\uff08WHERE\u00a0\u6761\u4ef6\u5217\u8868)\u00a0\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u884c\u8bb0\u5f55<\/p>\n

UPDATE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<TB\u00a0name>;\u00a0\u00a0SET\u00a0\u00a0<\u5b57\u6bb5\u5217\u8868>;\u00a0\uff1d\u00a0<\u503c\u5217\u8868>;<\/p>\n

\u2514\u2192\u8868\u540d<\/p>\n

\uff08WHERE\u00a0\u6761\u4ef6\u5217\u8868)\u00a0\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u884c\u8bb0\u5f55<\/p>\n

UPDATE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<TB\u00a0name>;\u00a0\u00a0SET\u00a0\u00a0<\u5b57\u6bb5.*>;\u00a0\u00a0\u00a0\uff1d\u00a0<\u8bb0\u5f55.*>;<\/p>\n

\u2514\u2192\u8868\u540d<\/p>\n

\uff08WHERE\u00a0\u6761\u4ef6\u5217\u8868)\u00a0\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u884c\u8bb0\u5f55<\/p>\n

4.SELECT\u00a0\u8bed\u53e5\uff1a\uff08\u4ece\u4e00\u6570\u636e\u5e93\u8868\u4e2d\u9009\u62e9\u6ee1\u8db3\u6761\u4ef6\u7684\u884c\u8bb0\u5f55\uff09<\/p>\n

SELECT\u00a0<column1,column2,…,columnn>;\u00a0\u00a0\u00a0\u00a0\u00a0\u2192*\u8868\u793a\u6240\u6709\u5b57\u6bb5<\/p>\n

\uff08INTO\u00a0<\u7a0b\u5e8f\u53d8\u91cf\u5217\u8868>;\uff09\u6216\uff08INTO\u00a0TEMP\u00a0<\u4e34\u65f6\u8868>;\uff09<\/p>\n

FROM\u00a0<TB\u00a0name>;\u00a0[\u8868\u522b\u540d]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192\u6570\u636e\u5e93\u8868\u540d<\/p>\n

(WHERE\u00a0<\u6761\u4ef6\u5217\u8868>;)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192\u7f3a\u7701\u4e3a\u6240\u6709\u884c\u8bb0\u5f55<\/p>\n

ORDER\u00a0BY\u00a0[column1,column2,…,column8][DESC]\u2192\u6392\u5e8f\uff08\u53ef\u9009\uff09\u53ef\u75281-8\u4ee3\u66ff\u5b57\u6bb5<\/p>\n

GROUP\u00a0BY\u00a0[column1,column2,…,columnn]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192\u5206\u7ec4\uff08\u53ef\u9009\uff09\u53ef\u75281-8\u4ee3\u66ff\u5b57\u6bb5<\/p>\n

[HAVING\u00a0<\u6761\u4ef6>;]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192\u4e3a\u7ec4\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u9650\u5236\u6761\u4ef6<\/p>\n

INTO\u00a0TEMP\u00a0<\u4e34\u65f6\u8868>;\u00a0\uff08\u53ef\u9009\uff09<\/p>\n

5.\u591a\u8868\u8fde\u63a5(Join)\u7684SELECT\u8bed\u53e5:(\u4ece\u591a\u4e2a\u6570\u636e\u5e93\u8868\u4e2d\u9009\u62e9\u6ee1\u8db3\u6761\u4ef6\u7684\u884c\u8bb0\u5f55\uff09<\/p>\n

SELECT\u00a0<\u88681.\u5b57\u6bb5>;\uff0c<\u88682.\u5b57\u6bb5>;\uff0c<\u88682.\u5b57\u6bb5>;\uff0c<\u88683.\u5b57\u6bb5>;\uff0c…\uff0c<\u8868n.\u5b57\u6bb5>;<\/p>\n

FROM\u00a0<\u88681>;\u00a0[\u522b\u540d1]\uff0c<\u88682>;\u00a0[\u522b\u540d2]\uff0c<\u88683>;\u00a0[\u522b\u540d3]\uff0c…\uff0c<\u8868n>;\u00a0[\u522b\u540dn]<\/p>\n

WHERE\u00a0<\u6761\u4ef6\u5217\u8868>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192WHERE\u5b50\u53e5\u4e0d\u80fd\u7701\u7565<\/p>\n

ORDER\u00a0BY\u00a0[1,2,3,4,5,6,7,8][DESC]\u2192\u6392\u5e8f\uff0c1-8\u8868\u793a\u5b57\u6bb5\u5728SELECT\u4e2d\u51fa\u73b0\u7684\u987a\u5e8f\u3002<\/p>\n

GROUP\u00a0BY\u00a0[column1,column2,…,columnn]\u00a0\u00a0\u2192\u5206\u7ec4\uff08\u53ef\u9009\uff09<\/p>\n

[HAVING\u00a0<\u6761\u4ef6>;]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2192\u4e3a\u7ec4\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u9650\u5236\u6761\u4ef6<\/p>\n

INTO\u00a0TEMP\u00a0<\u4e34\u65f6\u8868>;\u00a0\uff08\u5c06\u67e5\u8be2\u7ed3\u679c\u653e\u5230\u4e34\u65f6\u8868\u4e2d\uff09<\/p>\n

\u5f53\u5728WHERE\u5b50\u53e5\u4e2d\u5efa\u7acb\u591a\u8868\u8fde\u63a5\u65f6\uff0c\u8868\u4e0e\u8868\u4e4b\u95f4\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u6bb5\u7528\u4e8e\u8fde\u63a5\u3002\u8fde\u63a5\u7684\u529f\u80fd\u662f\u5efa\u7acb\u4e00\u4e2a\u4e34\u65f6\u7ec4\u5408\u7684\u8868\uff0c\u5728\u5bf9\u5e94\u8868\u4e2d\u7b26\u5408\u8fde\u63a5\u6761\u4ef6\u7684\u8bb0\u5f55\u88ab\u8fde\u63a5\u5f62\u6210\u4e00\u4e2a\u8bb0\u5f55\u3002<\/p>\n

6.SELECT\u8bed\u53e5\u4e2d\u7684\u805a\u5408\u51fd\u6570\u548c\u65e5\u671f\u51fd\u6570\uff1a<\/p>\n

\u8bed\u00a0\u00a0\u6cd5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u529f\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u80fd<\/p>\n

COUNT(*)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6ee1\u8db3\u6761\u4ef6\u7684\u8bb0\u5f55\u4e2a\u6570<\/p>\n

COUNT(DISTINCT\u00a0*\uff09\u00a0\u00a0\u00a0\u00a0\u53bb\u9664\u91cd\u590d\u9879\u540e\u6ee1\u8db3\u6761\u4ef6\u7684\u8bb0\u5f55\u4e2a\u6570<\/p>\n

SUM\uff08DISTINCT\u00a0x)\u00a0\u00a0\u00a0\u00a0\u00a0\u6ee1\u8db3\u6761\u4ef6\u5b57\u6bb5x\u7684\u603b\u548c<\/p>\n

AVG\uff08DISTINCT\u00a0x)\u00a0\u00a0\u00a0\u00a0\u00a0\u6ee1\u8db3\u6761\u4ef6\u5b57\u6bb5x\u7684\u5e73\u5747\u503c<\/p>\n

MAX\uff08x)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6ee1\u8db3\u6761\u4ef6\u5b57\u6bb5x\u7684\u6700\u5927\u503c<\/p>\n

MIN\uff08x)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6ee1\u8db3\u6761\u4ef6\u5b57\u6bb5x\u7684\u6700\u5c0f\u503c<\/p>\n

DATE\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e3a\u8868\u8fbe\u5f0f\u8fd4\u56de\u4e00\u4e2aDATE\u7c7b\u578b\u7684\u503c<\/p>\n

DAY\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd4\u56deDATE\u7c7b\u578b\u8868\u8fbe\u5f0f\u6708\u4efd\u7684\u65e5\u671f\uff08\u591a\u5c11\u53f7\uff09<\/p>\n

MDY\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5206\u522b\u4ee3\u8868\u6708\u3001\u65e5\u3001\u5e74\u7684\u6574\u6570\u8fd4\u56de\u4e00\u4e2aDATE\u7c7b\u578b\u7684\u503c<\/p>\n

MONTH\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd4\u56deDATE\u7c7b\u578b\u8868\u8fbe\u5f0f\u7684\u6708\u4efd<\/p>\n

WEEKDAY\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd4\u56deDATE\u7c7b\u578b\u8868\u8fbe\u5f0f\u661f\u671f\u7684\u6574\u65700-6\uff08\u661f\u671f\u65e5\u81f3\u661f\u671f\u516d\uff09<\/p>\n

YEAR\uff08\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd4\u56deDATE\u7c7b\u578b\u8868\u8fbe\u5f0f\u7684\u5e74\u4efd<\/p>\n

7.SELECT\u8bed\u53e5\u4e2d\u7684\u7b97\u672f\u64cd\u4f5c\u7b26\uff1a<\/p>\n

\u7b26\u53f7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u529f\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u80fd<\/p>\n

+\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u52a0\u6cd5<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u51cf\u6cd5<\/p>\n

*\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e58\u6cd5<\/p>\n

\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9664\u6cd5<\/p>\n

mod\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53d6\u6a21\uff08\u53d6\u4f59\u6570\uff09<\/p>\n

**\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5e42\uff08\u4e58\u65b9\uff09<\/p>\n

8.WHERE\u5b50\u53e5\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n

\u2460.\u00a0\u00a0\u00a0\u5173\u7cfb\u64cd\u4f5c\u7b26\uff1a<\/p>\n

\u64cd\u4f5c\u7b26\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u529f\u00a0\u00a0\u00a0\u00a0\u00a0\u80fd<\/p>\n

=\u00a0\u6216\u00a0==\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b49\u4e8e<\/p>\n

!=\u6216\u00a0<>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e0d\u7b49\u4e8e<\/p>\n

>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5927\u4e8e<\/p>\n

>;=\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5927\u4e8e\u6216\u7b49\u4e8e<\/p>\n

<\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5c0f\u4e8e<\/p>\n

<=\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5c0f\u4e8e\u6216\u7b49\u4e8e<\/p>\n

\u2461.\u00a0\u00a0\u00a0AND\u00a0\u548c\u00a0OR\uff08\u4e0e\u3001\u6216\uff09<\/p>\n

\u2462.\u00a0\u00a0\u00a0[NOT]\u00a0BETWEEN\u00a0…AND…\uff08[\u4e0d]\u5728…\u4e0e…\u4e4b\u95f4\uff09<\/p>\n

\u2463.\u00a0\u00a0\u00a0[NOT]\u00a0IN\u00a0(\u503c1\uff0c\u503c2\uff0c\u503c3\uff0c\u3002\u3002\u3002\uff0c\u503cn)\u00a0\u6240\u671f\u671b\u7684\u503c<\/p>\n

\u2464.\u00a0\u00a0\u00a0[NOT]\u00a0MATCHES\u00a0\u6a21\u5f0f\u5339\u914d\uff1a<\/p>\n

MATCHES\u00a0\u201c\u5b57\u7b26\u503c\u201d<\/p>\n

*\u00a0\u00a0\u00a0\u8868\u793a\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26<\/p>\n

?\u00a0\u00a0\u00a0\u8868\u793a\u5355\u4e2a\u5b57\u7b26<\/p>\n

[…]\u00a0\u8868\u793a\u65b9\u62ec\u53f7\u4e2d\u7684\u4efb\u610f\u5b57\u7b26<\/p>\n

[^..]\u00a0\u8868\u793a\u9664\u6b64\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26<\/p>\n

[A-Z]\u00a0\u8868\u793a\u4eceA\u5230Z\u7684\u4efb\u610f\u5b57\u7b26<\/p>\n

\\\u00a0\u00a0\u00a0\u8f6c\u6362\u4e0b\u4e00\u4e2a\u5b57\u7b26\u7684\u7279\u6b8a\u542b\u4e49<\/p>\n

\u2465.\u00a0\u00a0\u00a0[NOT]\u00a0LIKE\u00a0\u6a21\u5f0f\u5339\u914d\uff1a\uff08\u8c61…\u4e00\u6837\uff09<\/p>\n

LIKE\u00a0\u201c\u5b57\u7b26\u503c\u201d<\/p>\n

%\u00a0\u00a0\u00a0\u8868\u793a\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26<\/p>\n

\u2014\u00a0\u00a0\u00a0\u8868\u793a\u5355\u4e2a\u5b57\u7b26<\/p>\n

\u2466.\u00a0\u00a0\u00a0IS\u00a0[NOT]\u00a0NULL\u00a0\u8868\u793a\u7a7a\u503c\u6216\u975e\u7a7a\u503c\uff1a<\/p>\n

\u2467.\u00a0\u00a0\u00a0\u5b50\u67e5\u8be2\uff1a<\/p>\n

WHERE\u00a0\u8868\u8fbe\u5f0f\u00a0\u5173\u7cfb\u8fd0\u7b97\u7b26{ALL|ANY|SOME}(SELECT\u00a0\u8bed\u53e5)<\/p>\n

WHERE\u00a0\u8868\u8fbe\u5f0f\u00a0[NOT]\u00a0IN(SELECT\u00a0\u8bed\u53e5)<\/p>\n

WHERE\u00a0[NOT]\u00a0EXISTS(SELECT\u00a0\u8bed\u53e5)<\/p>\n

ALL\u00a0\u8868\u793a\u5b50\u67e5\u8be2\u53ef\u8fd4\u56de0\u4e2a,1\u4e2a\u6216\u591a\u4e2a\u503c,\u5e76\u5bf9\u6bcf\u4e2a\u8fd4\u56de\u503c\u6bd4\u8f83\u4e3a\u771f\u65f6\u5219\u6761\u4ef6\u4e3a\u771f<\/p>\n

ANY\u00a0\u8868\u793a\u5b50\u67e5\u8be2\u53ef\u8fd4\u56de0\u4e2a,1\u4e2a\u6216\u591a\u4e2a\u503c,\u81f3\u5c11\u4e00\u4e2a\u8fd4\u56de\u503c\u6bd4\u8f83\u4e3a\u771f\u65f6\u5219\u6761\u4ef6\u4e3a\u771f<\/p>\n

SOME\u00a0\u00a0ANY\u7684\u522b\u540d<\/p>\n

IN\u00a0\u68c0\u67e5\u8868\u8fbe\u5f0f\u662f\u5426\u5728\u7531\u4e0b\u9762\u7684SELECT\u8bed\u53e5\u8fd4\u56de\u7684\u7ed3\u679c\u4e2d<\/p>\n

EXISTS\u68c0\u67e5\u5176\u540e\u7684SELECT\u8bed\u53e5\u662f\u5426\u8fd4\u56de\u4e86\u4efb\u4f55\u4e00\u4e2a\u8bb0\u5f55\uff0c\u8fd4\u56de\u8bb0\u5f55\u5219\u6761\u4ef6\u4e3a\u771f<\/p>\n

NOT\u00a0\u5bf9\u67e5\u627e\u6761\u4ef6\u7684\u771f\u503c\u53d6\u975e<\/p>\n

9.SQL\u8bed\u53e5\u603b\u8ff0\uff1a<\/p>\n

SQL(\u7ed3\u6784\u5316\u7684\u67e5\u8be2\u8bed\u8a00)\u5728\u6211\u4eec\u7684\u5b9e\u9645\u5de5\u4f5c\u4e2d\u8d77\u7740\u4e3e\u8db3\u8f7b\u91cd\u7684\u4f5c\u7528,\u7b26\u5408\u56fd\u9645\u901a\u7528\u6807\u51c6\uff0c\u529f\u80fd\u5f3a\u5927\u3001\u8bed\u53e5\u7b80\u6d01\u3001\u64cd\u4f5c\u65b9\u4fbf\u3001\u4f7f\u7528\u7075\u6d3b\uff0c\u80fd\u968f\u65f6\u4ece\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u6587\u672c\u7684\u4e0a\u4e0b\u8f7d\u5de5\u4f5c\uff0c\u901a\u8fc7\u4f7f\u7528\u89c6\u56fe\u4e0e\u4e34\u65f6\u8868\u6765\u7b5b\u9009\u6570\u636e\u5219\u4f7f\u6211\u4eec\u7684\u5de5\u4f5c\u66f4\u52a0\u65b9\u4fbf\u3001\u6709\u6548\uff0c\u5728SELECT\u8bed\u53e5\u4e2d\u53ef\u4ee5\u5d4c\u5165\u8fd4\u56de\u503c\u7684\u8fc7\u7a0b\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n

\u7b2c\u56db\u7ae0\u00a0\u00a0\u00a0\u5173\u7cfb\u6570\u636e\u5e93Informix-4GL\u7a0b\u5e8f\u8bbe\u8ba1<\/p>\n

\u4e00.\u5173\u7cfb\u6570\u636e\u5e93\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u5173\u952e\u548c\u65b9\u6cd5:<\/p>\n

1.\u6210\u529f\u8bbe\u8ba1\u4e00\u4e2a\u5173\u7cfb\u6570\u636e\u5e93\u7684\u5173\u952e\u56e0\u7d20\uff1a<\/p>\n

\u2460.\u6df1\u5165\u5e7f\u6cdb\u3001\u4e86\u89e3\u4f01\u4e1a\u5185\u90e8\u7ec4\u7ec7\u673a\u6784\u53ca\u9700\u6c42\uff1b<\/p>\n

\u2461.\u59cb\u7ec8\u4fdd\u6301\u4e0e\u6700\u7ec8\u7528\u6237\u4ea4\u4e92\u3001\u8054\u7cfb\uff1b<\/p>\n

\u2462.\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u8981\u91c7\u7528\u7ed3\u6784\u5316\u7684\u5f00\u53d1\u65b9\u6cd5\uff0c\u4fbf\u4e8e\u7ef4\u62a4\uff1b<\/p>\n

\u2463.\u8981\u7528ER\u56fe\u8868\u793a\u6570\u636e\u7ed3\u6784\u6a21\u578b\u3002<\/p>\n

2.\u7ed3\u6784\u5316\u7684\u5f00\u653e\u65b9\u6cd5\u4ea4\u6574\u4e2a\u5e94\u7528\u7684\u5f00\u53d1\u5468\u671f\u5212\u5206\u6210\u9636\u6bb5\uff1a<\/p>\n

\u2460.\u7cfb\u7edf\u5f00\u53d1\u7684\u53ef\u884c\u6027\u62a5\u544a\uff1b<\/p>\n

\u2461.\u7a0b\u5e8f\u7684\u529f\u80fd\u9700\u6c42\uff1b<\/p>\n

\u2462.\u6280\u672f\u8bbe\u8ba1\uff08\u7cfb\u7edf\u89c4\u683c\u8bf4\u660e\u4e66\uff09\uff1b<\/p>\n

\u2463.\u7f16\u7a0b\u53ca\u6d4b\u8bd5\uff08\u6e90\u7a0b\u5e8f\u4ee3\u7801\u6e05\u5355\uff09\uff1b<\/p>\n

\u2464.\u7528\u6237\u57f9\u8bad\u3001\u5b9e\u73b0\uff08\u7528\u6237\u624b\u518c\uff09\u3002<\/p>\n

\u2465.\u7a0b\u5e8f\u7684\u7ef4\u62a4\u4e0e\u5347\u7ea7\u3002<\/p>\n

3.\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u65b9\u6cd5\u4e0e\u6b65\u9aa4\uff1a<\/p>\n

\u2460.\u83b7\u5f97\u5bf9\u4f01\u4e1a\u7684\u4e86\u89e3\uff08\u9700\u6c42\u5206\u6790\uff09\uff1b<\/p>\n

\u2461.\u6807\u8bc6\u4e3b\u8981\u7684\u6570\u636e\u5bf9\u8c61\uff08\u5b9e\u4f53\u3001\u5c5e\u6027\u3001\u8054\u7cfb\uff09\uff1b<\/p>\n

\u2462.\u7528ER\u56fe\u753b\u51fa\u6570\u636e\u5bf9\u8c61\uff08\u521d\u6b65ER\u56fe\uff09\uff1b<\/p>\n

\u2463.\u6c42\u89e3\u903b\u8f91\u6570\u636e\u7c7b\u578b\uff08\u5904\u7406\u8054\u7cfb\u3001\u53bb\u6389\u5197\u4f59\uff09\uff1b<\/p>\n

\u2464.\u786e\u5b9a\u5c5e\u6027\u7684\u7ec6\u5219\uff08\u6570\u636e\u7c7b\u578b\uff09\uff1b<\/p>\n

\u2465.\u901a\u8fc7\u89c4\u8303\u5316\u6765\u4fee\u6b63\u903b\u8f91\u6a21\u578b\uff1b<\/p>\n

\u2466.\u7528SQL\u7684DDL\u5c06\u903b\u8f91\u6a21\u578b\u8f6c\u6362\u6210\u7269\u7406\u7684DB\u6a21\u5f0f\u3002<\/p>\n

\u4e8c.Informix-4gl\u7684\u8bed\u6cd5\u89c4\u5219\uff1a<\/p>\n

1.\u7a0b\u5e8f\u4f53\u7ed3\u6784:<\/p>\n

DATABASE\u00a0<DB\u00a0Name>;<\/p>\n

GLOBALS\u00a0\u00a0###\u5b9a\u4e49\u5168\u5c40\u53d8\u91cf<\/p>\n

DEFINE\u00a0\u00a0\u53d8\u91cf\u540d1\u00a0\u00a0\u53d8\u91cf\u7c7b\u578b\uff0c<\/p>\n

\u53d8\u91cf\u540dn\u00a0\u00a0\u53d8\u91cf\u7c7b\u578b<\/p>\n

END\u00a0GLOBALS\u6216GLOBALS\u00a0\u201cglob.4gl\u201d<\/p>\n

MAIN<\/p>\n

DEFINE\u00a0\u00a0\u53d8\u91cf\u540d1\u00a0\u00a0\u53d8\u91cf\u7c7b\u578b\uff0c<\/p>\n

\u53d8\u91cf\u540dn\u00a0\u00a0\u53d8\u91cf\u7c7b\u578b<\/p>\n

OPTIONS\u00a0\u00a0PROMPT\u00a0\u00a0LINE\u00a0\u00a01,<\/p>\n

ERROR\u00a0\u00a0\u00a0LINE\u00a024,<\/p>\n

MESSAGE\u00a0LINE\u00a024,<\/p>\n

COMMENT\u00a0LINE\u00a024\uff0c<\/p>\n

FORM\u00a0\u00a0\u00a0\u00a0LINE\u00a0\u00a04,<\/p>\n

MENU\u00a0\u00a0\u00a0\u00a0LINE\u00a0\u00a04,<\/p>\n

next\u00a0\u00a0\u00a0\u00a0\u00a0key\u00a0control-n\uff0c<\/p>\n

previous\u00a0key\u00a0control-p\uff0c<\/p>\n

delete\u00a0\u00a0\u00a0key\u00a0control-o\uff0c<\/p>\n

insert\u00a0\u00a0\u00a0key\u00a0control-i\uff0c<\/p>\n

ACCEPT\u00a0KEY\u00a0INTERRUPT,###\u00a0\u4f7f\u7528ESC\u952e\u65e0\u6548<\/p>\n

INPUT\u00a0WRAP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0###\u00a0\u6309\u63a5\u53d7\u952e\u540e\u5b58\u5165<\/p>\n

DEFER\u00a0\u00a0\u00a0\u00a0INTERRUPT\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0###\u00a0\u9632\u6b62\u975e\u6cd5\u4e2d\u65ad<\/p>\n

set\u00a0\u00a0isolation\u00a0to\u00a0dirty\u00a0read<\/p>\n

set\u00a0\u00a0lock\u00a0mode\u00a0to\u00a0wait\u00a05<\/p>\n

whenever\u00a0error\u00a0continue\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0###\u00a0\u9047\u5230\u9519\u8bef\u7ee7\u7eed\u6267\u884c<\/p>\n

call\u00a0startlog(\u201cslif_err.log\u201d)<\/p>\n

….(\u5176\u5b83\u7a0b\u5e8f\u8bed\u53e5)<\/p>\n

….(\u7528\u6237\u51fd\u6570)<\/p>\n

END\u00a0MAIN<\/p>\n

2.\u7a0b\u5e8f\u7684\u5177\u4f53\u8bed\u6cd5:<\/p>\n

\u2460.\u547d\u4ee4\u884c\u53c2\u6570\uff1a<\/p>\n

arg_val[0]:\u8868\u793a\u547d\u4ee4\u672c\u8eab<\/p>\n

arg_val[1]:\u8868\u793a\u547d\u4ee4\u884c\u53c2\u65701<\/p>\n

arg_val[n]:\u8868\u793a\u547d\u4ee4\u884c\u53c2\u6570n<\/p>\n

sum_args():\u6d4b\u8bd5\u547d\u4ee4\u884c\u53c2\u6570\u7684\u603b\u4e2a\u6570<\/p>\n

\u2461.\u7a0b\u5e8f\u53d8\u91cf\uff1a<\/p>\n

\u9664serial\u7c7b\u578b\u5916\uff0c\u5176\u4f59\u5747\u53ef\u4e3a\u6570\u636e\u5e93\u5b57\u6bb5\u7c7b\u578b\u3002<\/p>\n

\u7b2c\u4e94\u7ae0\u00a0\u00a0Informix-SPL(\u8fc7\u7a0b)\u8bed\u6cd5\u8be6\u89e3<\/p>\n

Informix\u6570\u636e\u5e93\u7528\u6237\u4e00\u822c\u90fd\u719f\u6089\u7684\u4f7f\u7528SQL\u8bed\u53e5\u8fdb\u884c\u7b80\u5355\u7684\u67e5\u8be2\u548c\u7edf\u8ba1\uff0c\u800c\u5728Informix-Online\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\u63d0\u4f9b\u4e86\u7528\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00SQL\u8bed\u53e5\u548c\u6d41\u7a0b\u63a7\u5236\u5b58\u50a8\u8bed\u8a00SPL\u521b\u5efa\u5b58\u50a8\u4f8b\u7a0b\uff0c\u4ee5\u51cf\u5c11Informix\u7684\u5904\u7406\u3002\u5b58\u50a8\u4f8b\u7a0b\u662fSQL\u8bed\u53e5\u548cSPL\u7684\u96c6\u5408\u3002\u5b83\u4eec\u5b58\u653e\u5728\u6570\u636e\u5e93\u4e2d\uff0cSQL\u8bed\u53e5\u4f1a\u88ab\u5206\u6790.\u4f18\u5316,\u5728\u4f8b\u7a0b\u7684\u6267\u884c\u4e2d,\u9ad8\u901f\u7f13\u5b58\u4e2d\u4f1a\u6709\u4e00\u6267\u884c\u89c4\u5212,\u4f7f\u540e\u7eed\u64cd\u4f5c\u7684\u6267\u884c\u901f\u5ea6\u5f88\u5feb\u3002\u800c\u5355\u72ec\u7684SQL\u8bed\u53e5\u53ea\u6709\u5728\u6267\u884c\u65f6\u624d\u4f1a\u88ab\u4f18\u5316\uff0c\u5e76\u4e14\u5b58\u50a8\u4f8b\u7a0b\u53ef\u4ee5\u88ab\u4e0d\u540c\u7684\u5f00\u53d1\u5de5\u5177\u8c03\u7528\uff084GL\u00a0\u3001ESQL\/C\u3001POWERBUILDER.DELPHI\uff09\uff0c\u5728SELECT\u8bed\u53e5\u4e2d\u4e5f\u8c03\u7528\u8fc7\u7a0b\u3002\u4f8b\u7a0b\u8c03\u8bd5\u7b80\u5355\uff0c\u4e0d\u5fc5\u91cd\u65b0\u7f16\u8bd1\u5e94\u6709\u8f6f\u4ef6\u5305\u3002\u5728\u4f8b\u7a0b\u521b\u5efa\u65f6Informix\u67e5\u8be2\u5904\u7406\u5668\u4f1a\u5206\u6790\u5b83\uff0c\u5e76\u4ea7\u751f\u4e00\u6267\u884c\u89c4\u5212\uff0c\u6c38\u4e45\u5b58\u653e\u4e8eSPROCEDURES.SYSPROBODY.\u548cSYSPROPLAN\u4e2d,\u5176\u540e\u4f8b\u7a0b\u6309\u6b64\u89c4\u5212\u6267\u884c,\u7531\u4e8e\u5927\u90e8\u5206\u67e5\u8be2\u5904\u7406\u5df2\u7ecf\u5b8c\u6210,\u5b58\u50a8\u4f8b\u7a0b\u53ef\u4ee5\u5728\u77ac\u95f4\u6267\u884c\u5b8c\u6bd5\u3002\u7531\u4e8e\u5b58\u50a8\u4f8b\u7a0b\u6240\u5177\u6709\u7684\u4f18\u8d8a\u6027\uff0c\u5b83\u5df2\u6210\u4e3a\u8fdb\u884cInformix\u6570\u636e\u5e93\u6838\u5fc3\u5f00\u53d1\u7684\u6709\u529b\u5de5\u5177\uff0c\u638c\u63e1\u5b83\u5bf9Informix\u7684\u5f00\u53d1\u4eba\u5458\u6709\u79ef\u6781\u610f\u4e49\uff0c\u73b0\u5c06\u6211\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u4f7f\u7528\u7684\u8bed\u6cd5\u548c\u4f8b\u5b50\u8be6\u89e3\u4e8e\u4e0b,\u758f\u6f0f\u548c\u9519\u8bef\u8bf7\u6765\u4fe1\u6307\u6559\u3002<\/p>\n

1.\u521b\u5efa\u548c\u6267\u884c\u4f8b\u7a0b<\/p>\n

\u2460.\u521b\u5efa\u4f8b\u7a0b\u8bed\u6cd5\uff1a<\/p>\n

CRAETE\u00a0PROCEDURE\u00a0[OWNER.]PROCEDURE_NAME\u00a0(\u53c2\u65701\u00a0\u00a0\u53c2\u6570\u7c7b\u578b=[DEFAULT],\u00a0\u53c2\u65702\u00a0\u00a0\u53c2\u6570\u7c7b\u578b=[DEFAULT],\u53c2\u6570n\u00a0\u00a0\u53c2\u6570\u7c7b\u578b=[DEFAULT])<\/p>\n

RETURNING\u00a0\u503c1\u7c7b\u578b,\u503c2\u7c7b\u578b,\u503cn\u7c7b\u578b\uff1b<\/p>\n

<……>;\u8bed\u53e5\u4f53\uff1b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0END\u00a0RPOCEDURE<\/p>\n

\u4f8b\u7a0b\u5927\u5c0f\u4e0d\u53ef\u8d85\u8fc764K,\u8fd9\u5305\u62ec\u6240\u6709\u7684SQL.SPL.\u7a7a\u683c.\u8df3\u683c\u7b26,\u4f8b\u7a0b\u540d\u6700\u591a18\u4e2a\u5b57\u7b26,\u5e76\u5728\u6570\u636e\u5e93\u4e2d\u552f\u4e00\u5b58\u5728,\u8bed\u53e5\u95f4\u7528”;”\u5206\u9694,\u4f8b\u7a0b\u53ea\u80fd\u5728\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u521b\u5efa,\u4f8b\u7a0b\u521b\u5efa\u540e\u662f\u4e00\u6807\u51c6<\/p>\n

\u6267\u884c\u6a21\u677f\u5757\uff0c\u53ef\u5728\u4e0d\u540c\u7684\u5e94\u6709\u4e2d\u5bf9\u5176\u8c03\u7528,\u8fd9\u5bf9\u5f00\u53d1\u4e0d\u540c\u7248\u672c\u7684\u5e94\u7528\u5c06\u66f4\u4e3a\u4fbf\u5229\u3002\u4f8b\uff1a<\/p>\n

create\u00a0procedure\u00a0“test”.upwage()<\/p>\n

define\u00a0rev_rev_item_code\u00a0varchar(2,0);<\/p>\n

define\u00a0rev_p_rev_date\u00a0date;<\/p>\n

define\u00a0acc_rec_prem_no\u00a0decimal(8,2);define\u00a0rev_p_rev_amt\u00a0\u00a0decimal(10,2);define\u00a0rev_I_info_branch\u00a0varchar(6,0);define\u00a0rev_I_info_appl_no\u00a0decimal(8,0);define\u00a0rev_I_info_date\u00a0date;define\u00a0rev_o_rev_date\u00a0date;<\/p>\n

define\u00a0rev_o_rev_amt\u00a0decimal(10,2);<\/p>\n

define\u00a0acc_ac_rev_amnt\u00a0decimal(10,2);<\/p>\n

define\u00a0acc_rec_prem_date\u00a0date;<\/p>\n

begin\u00a0work;<\/p>\n

foreach\u00a0cur_rev\u00a0for\u00a0select\u00a0I_info_appl_branch,I_info_appl_no,I_info_date,<\/p>\n

o_rev_date,o_rev_amt\u00a0into\u00a0rev_I_info_branch,<\/p>\n

rev_I_info_appl_no,rev_I_info_date,rev_o_rev_date,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0rev_o_rev_amt\u00a0from\u00a0rev_rec_tbl\u00a0where<\/p>\n

(rev_item_code=”PS”\u00a0)\u00a0and\u00a0p_rev_date\u00a0is\u00a0null\u00a0and<\/p>\n

p_rev_amt=0\u00a0and\u00a0(I_info_appl_no\u00a0is\u00a0not\u00a0null\u00a0or<\/p>\n

I_info_date\u00a0is\u00a0not\u00a0null);<\/p>\n

select\u00a0max(rec_prem_acc_no)\u00a0into\u00a0acc_rec_prem_no\u00a0from\u00a0rec_prem_acc\u00a0where\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I_info_appl_branch=rev_I_info_branch<\/p>\n

and\u00a0I_info_appl_no=rev_I_info_appl_no<\/p>\n

and\u00a0I_info_date=rev_I_info_date<\/p>\n

and\u00a0o_rev_date=rev_o_rev_date<\/p>\n

and\u00a0rev_item_code=”PS”\u00a0and<\/p>\n

ac_rev_amnt=rev_o_rev_amt;<\/p>\n

select\u00a0date(rec_prem_date)\u00a0into\u00a0acc_rec_prem_date<\/p>\n

from\u00a0rec_prem_acc\u00a0where\u00a0I_info_appl_branch=rev_I_info_branch<\/p>\n

and\u00a0I_info_appl_no=rev_I_info_appl_no<\/p>\n

and\u00a0I_info_date=rev_I_info_date<\/p>\n

and\u00a0o_rev_date=rev_o_rev_date<\/p>\n

and\u00a0rev_item_code=”PS”\u00a0and<\/p>\n

ac_rev_amnt=rev_o_rev_amt\u00a0and<\/p>\n

rec_prem_acc_no=acc_rec_prem_no\u00a0;<\/p>\n

select\u00a0ac_rev_amnt\u00a0into\u00a0acc_ac_rev_amnt<\/p>\n

from\u00a0rec_prem_acc<\/p>\n

where\u00a0I_info_appl_branch=rev_I_info_branch<\/p>\n

and\u00a0I_info_appl_no=rev_I_info_appl_no<\/p>\n

and\u00a0I_info_date=rev_I_info_date<\/p>\n

and\u00a0o_rev_date=rev_o_rev_date<\/p>\n

and\u00a0rev_item_code=”PS”<\/p>\n

and\u00a0rec_prem_acc_no=acc_rec_prem_no<\/p>\n

and\u00a0ac_rev_amnt=rev_o_rev_amt;<\/p>\n

if\u00a0acc_ac_rev_amnt\u00a0is\u00a0null\u00a0or\u00a0acc_rec_prem_date\u00a0is\u00a0null\u00a0then<\/p>\n

continue\u00a0foreach;<\/p>\n

end\u00a0if;<\/p>\n

update\u00a0rev_rec_tbl<\/p>\n

set\u00a0p_rev_date=acc_rec_prem_date,<\/p>\n

p_rev_amt\u00a0=acc_ac_rev_amnt<\/p>\n

where\u00a0I_info_appl_branch=rev_I_info_branch<\/p>\n

and\u00a0I_info_date=rev_I_info_date<\/p>\n

and\u00a0I_info_appl_no=rev_I_info_appl_no<\/p>\n

and\u00a0o_rev_date=rev_o_rev_date;<\/p>\n

end\u00a0foreach;<\/p>\n

commit\u00a0work;<\/p>\n

end\u00a0procedure;<\/p>\n

\u2461.\u6267\u884c\u4f8b\u7a0b\u8bed\u6cd5\uff1a<\/p>\n

A):\u5728dbaccess\u4e2d<\/p>\n

EXECUTE\u00a0PROCEDURE\u00a0DBNAME@SERVER_NAME:\u4f8b\u7a0b\u540d(\u53c2\u65701,\u53c2\u65702,…..)\u7528\u8fd9\u79cd\u65b9\u6cd5\u53ef\u5bf9\u4f8b\u7a0b\u8fdb\u884c\u8c03\u8bd5\u3002<\/p>\n

B):\u5728Informix-4GL\u4e2d<\/p>\n

PREPARE\u00a0PREP\u00a0STATTEMENT\u00a0FROM\u00a0“EXECUTE\u00a0PROCEDURE\u00a0DBNAME@SERVER_NAME:\u4f8b\u7a0b\u540d\uff08?,?,?,…\uff09<\/p>\n

DECLARE\u00a0P_CURS\u00a0SURSOR\u00a0FOR\u00a0PREP\u00a0STMT<\/p>\n

OPEN\u00a0P_CURS\u00a0USING\u00a0\u53c2\u65701,\u53c2\u65702,….<\/p>\n

FETCH\u00a0P_CURS\u00a0INTO\u00a0\u8fd4\u56de\u503c1\uff0c\u8fd4\u56de\u503c2\uff0c…<\/p>\n

CLOSE\u00a0P_CURS<\/p>\n

\u5f53\u5e94\u7528\u7a0b\u5e8f\u4e0d\u652f\u6301EXECUT\u00a0PROCEDURE\u8bed\u6cd5,\u5219\u9700\u4f7f\u7528PREPARE\u547d\u4ee4,\u5982INFORMIX-4GL\u4e2d,\u800c\u4f7f\u7528INFORMIX-NEWEAR\u5219\u65e0\u6b64\u9650\u5236,\u9700\u6ce8\u610f\u7684\u662fPREPARE\u8bed\u53e5\u4e2d\u53d8\u91cf\u7528?\u53f7\u4ee3\u66ff,\u5176\u4e2a\u6570\u8981\u4e0e\u4f8b\u7a0b\u7684\u53c2\u6570\u4e2a\u6570\u548c\u7c7b\u578b\u4e00\u81f4,\u8fd4\u56de\u503c\u4e5f\u662f\u4e00\u6837\u3002<\/p>\n

C):\u5728Informix-ESQL\/C\u4e2d<\/p>\n

EXEC\u00a0SQL\u00a0EXECUTE\u00a0PROCEDURE\u00a0\u4f8b\u7a0b\u540d(\u53c2\u65701,\u53c2\u65702,…)\u00a0INTO\u00a0\uff08\u8fd4\u56de\u503c1\uff0c\u8fd4\u56de\u503c2,…\uff09\u5728EC5.0\u6216\u66f4\u9ad8\u7248\u672c\u53ef\u4f7f\u7528EXECUTE\u00a0PROCEDURE\u00a0\u8bed\u6cd5,\u5728ESQL\/C\u4e2d\u5bbf\u4e3b\u53d8\u91cf\u7528\u4e8e\u60f3\u5b58\u50a8\u4f8b\u7a0b\u4f20\u9012\u503c,\u540c\u65f6\u4e5f\u63a5\u6536\u8fd4\u56de\u503c.<\/p>\n

D):\u5728POWER\u00a0BUILDER\u4e2d<\/p>\n

DECLARE\u00a0\u903b\u8f91\u540d\u00a0PROCEDURE\u00a0FOR\u00a0\u4f8b\u7a0b\u540d(:\u53c2\u65701,:\u53c2\u65702:…)\u00a0INTO\u00a0:\u8fd4\u56de\u503c1,:\u8fd4\u56de\u503c2,..USING\u00a0\u4e8b\u7269\u540d<\/p>\n

EXEC\u00a0\u4f8b\u7a0b\u540d(:\u53c2\u65701,:\u53c2\u65702,…..)<\/p>\n

PB\u8981\u6c42\u4e3a\u4f8b\u7a0b\u5236\u5b9a\u903b\u8f91\u540d,\u4ee5\u540e\u7684SQL\u8bed\u53e5\u5c06\u4ee5\u903b\u8f91\u540d\u4e3a\u51c6\u6307\u5411\u540e\u53f0\u6570\u636e\u5e93\u4f8b\u7a0b,\u5f53\u4f8b\u7a0b\u5373\u4fbf\u6ca1\u6709\u53c2\u6570\u4e5f\u5fc5\u987b\u6709\u5c0f\u6269\u53f7.<\/p>\n

2.\u6d41\u7a0b\u63a7\u5236\u8bed\u8a00\uff1a<\/p>\n

\u5728\u8fc7\u7a0b\u4e2d\u4e5f\u63d0\u4f9b\u4e86\u5176\u4ed6\u8bed\u8a00\u5177\u5907\u7684\u6d41\u7a0b\u63a7\u5236\u8bed\u8a00,\u5b8c\u6210\u5faa\u73af\u5224\u65ad\u548c\u5206\u7c7b\u5904\u7406\u7684\u80fd\u529b,\u4e3b\u8981\u6709:\u2460.IF\u00a0….ELIF…..ELSE…..END\u00a0IF\u4f8b\uff1a<\/p>\n

CRAETE\u00a0PROCEDURE\u00a0STR_COM(STR1\u00a0CHAR(20),STR2\u00a0CHAR(20))<\/p>\n

RETURNING\u00a0INT;<\/p>\n

DEFINE\u00a0REL\u00a0INT;<\/p>\n

IF\u00a0STR1>;STR2\u00a0THEN\u00a0\u00a0–\u5f53STR1>;STR2\u00a0REL=1<\/p>\n

LET\u00a0REL=1;<\/p>\n

ELIF\u00a0STR2>;STR1\u00a0THEN\u00a0–\u5f53STR2>;STR1\u00a0REL=-1<\/p>\n

LET\u00a0REL=-1;<\/p>\n

ELSE<\/p>\n

LET\u00a0REL=0;\u00a0\u00a0\u00a0–\u5f53STR1=STR2\u00a0REL=0<\/p>\n

END\u00a0IF<\/p>\n

RETUEN\u00a0REL;<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\u5f53IF\u7684\u6761\u4ef6\u4e3a\u4e00\u4e2aSQL\u8bed\u53e5\u5982SELECT\u65f6\u9700\u7528\u6269\u53f7\uff0c\u5e76\u4e14\u8fd4\u56de\u503c\u4e3a\u5355\u503c\u3002<\/p>\n

\u2461.FOR\u00a0…..END\u00a0FOR<\/p>\n

\u4f8b:FOR\u00a0INDEX\u00a0IN\u00a0(20\u00a0TO\u00a030\u00a0STEP\u00a02,100\u00a0TO\u00a0200\u00a0STEP\u00a010)<\/p>\n

–\u6267\u884c\u4ee3\u7801<\/p>\n

END\u00a0FOR<\/p>\n

FOR\u7684\u6761\u4ef6\u53ef\u4ee5\u662f\u53d8\u91cf\uff0c\u5e38\u91cf\u6216\u4e00\u4e2aSQL\u8bed\u53e5\u7684\u8fd4\u56de\u503c<\/p>\n

\u2462.WHILE…….END\u00a0WHILE<\/p>\n

\u5f53WHILE\u7684\u6761\u4ef6\u4e3aTRUE\u65f6\u6267\u884cWHILE\u540e\u7684\u8bed\u53e5,\u4e3aFALSE\u9000\u51fa\u5faa\u73af\u3002<\/p>\n

\u4f8b:WHILE\u00a0I<10<\/p>\n

INSERT\u00a0INTO\u00a0TBB_1\u00a0VALUES(I);<\/p>\n

LET\u00a0I=I+1;<\/p>\n

END\u00a0WHILE;<\/p>\n

\u2463.FOREACH……..END\u00a0FOREACH<\/p>\n

\u8be5\u8bed\u53e5\u8f83\u4e3a\u7279\u522bFOREACH\u5faa\u73af\u80fd\u591f\u58f0\u660e\u5e76\u6253\u5f00\u6e38\u6807,\u8bfb\u53d6\u8bb0\u5f55\u884c,\u5e76\u5173\u95ed\u6e38\u6807.\u5176\u5b8c\u6574\u8bed\u6cd5:<\/p>\n

FOREACH\u00a0\u6e38\u6807\u540d\u00a0[WITH\u00a0HOLD]\u00a0SELECT\u00a0\u5b57\u6bb5\u540d\u00a0INTO\u00a0\u53d8\u91cf\u00a0FROM<\/p>\n

TABLE\u00a0WHERE\u00a0\u6761\u4ef6\u00a0\uff1b<\/p>\n

END\u00a0FOREACH<\/p>\n

FOREACH\u00a0EXECUTE\u00a0PROCEDURE\u00a0\u4f8b\u7a0b\u540d\uff08\u53c2\u65701\uff0c\u53c2\u65702\uff0c..\uff09\u00a0INTO<\/p>\n

\u53d8\u91cf<\/p>\n

END\u00a0FOREACH<\/p>\n

\u8be5\u5faa\u73af\u4e2d\u8bed\u53e5\u7684\u6267\u884c\u6b21\u6570\u4e0eSELECT\u00a0\u548c\u00a0EXECUTE\u00a0PROCEDURE\u8bed\u53e5\u8fd4\u56de\u7684\u884c\u6570\u4e00\u6837\u591a\u3002\u5982\u679cFOREACH\u8bed\u53e5\u4e2d\u5305\u542b\u4e00\u6761EXECUTE\u00a0PROCEDURE\uff0c\u5219\u5faa\u73af\u505c\u6b62\u7684\u6761\u4ef6\u4e3a\uff1a<\/p>\n

.\u6267\u884c\u4e86\u4e0d\u5e26\u4efb\u4f55\u53c2\u6570\u7684RETURN\u8bed\u53e5<\/p>\n

.\u6267\u884c\u4e86END\u00a0PROCEDURE<\/p>\n

\u5982\u679c\u6ca1\u6709\u8fd4\u56de\u884c\u6570\u636e,\u5219\u4e0d\u518d\u6267\u884c\u5faa\u73af\u4e2d\u7684\u8bed\u53e5\u3002\u5b58\u50a8\u4f8b\u7a0b\u4e2d\u4e0d\u5141\u8bb8\u4f7f\u7528\u6eda\u52a8\u6e38\u6807\u3002<\/p>\n

\u5f53\u4f7f\u7528WITH\u00a0HOLD\u65f6\uff0c\u66f4\u65b0\u6e38\u6807\u5c06\u653e\u7f6e\u66f4\u65b0\u9501\uff0c\u4f7f\u5176\u4ed6\u8fc7\u7a0b\u65e0\u6cd5\u66f4\u65b0\u8be5\u884c\uff0c\u76f4\u81f3\u4e8b\u7269\u5b8c\u6210\uff0c\u5f53\u5728FOREACH\u5faa\u73af\u7684\u8bed\u53e5\u5757\u4e2d\u7684UPDATE\u6216DELETE\u6709<\/p>\n

WHERE\u00a0CURRENT\u00a0OF\u77ed\u8bed\uff0c\u5219\u5b58\u50a8\u4f8b\u7a0b\u4f1a\u81ea\u52a8\u4f7f\u7528\u66f4\u65b0\u6e38\u6807<\/p>\n

\u4f8b1\uff1aBEGIN\u00a0WORK\uff1b<\/p>\n

FOREACH\u00a0CUR_1\u00a0FOR\u00a0SELECT\u00a0DATE\u00a0INTO\u00a0V_DATE\u00a0FROM\u00a0TABLE<\/p>\n

IF\u00a0V_DATE\u00a0IS\u00a0NULL\u00a0THEN<\/p>\n

DELETE\u00a0FROM\u00a0TABLE\u00a0WHERE\u00a0CURRENT\u00a0OF\u00a0CUR_1;<\/p>\n

END\u00a0IF;<\/p>\n

END\u00a0FOREACH;<\/p>\n

COMMIT\u00a0WORK;<\/p>\n

\u4f8b2\uff1aFOREACH\u00a0EXECUTE\u00a0PROCEDURE\u00a0BAR(10,20)\u00a0INTO\u00a0I<\/p>\n

INSERT\u00a0INTO\u00a0TABLE1\u00a0VALUES(I)<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\u2464.CONTINUE\u00a0\u00a0\u00a0\u00a0\u9002\u7528\u8bed\u53e5(\u00a0FOR\u00a0WHILE\u00a0FOREACH)\u00a0\u00a0\u00a0\u5c06\u6267\u884c\u4f20\u9012\u7ed9\u4e0b\u4e00\u6b21\u5faa\u73af\u2465.EXIT<\/p>\n

\u9002\u7528\u8bed\u53e5(\u00a0FOR\u00a0WHILE\u00a0FOREACH)<\/p>\n

\u4ece\u5faa\u73af\u4e2d\u9000\u51fa<\/p>\n

\u4f8b\uff1aFOR\u00a0J=1\u00a0TO\u00a020<\/p>\n

IF\u00a0J>;10\u00a0THEN<\/p>\n

CONTINUE\u00a0FOR;<\/p>\n

END\u00a0IF<\/p>\n

LET\u00a0I,S=J,0;<\/p>\n

WHILE\u00a0I>;0<\/p>\n

LET\u00a0I=I-1;<\/p>\n

IF\u00a0I=5\u00a0THEN<\/p>\n

EXIT\u00a0FOR;<\/p>\n

END\u00a0IF<\/p>\n

END\u00a0WHILE<\/p>\n

END\u00a0FOR<\/p>\n

3.\u53d8\u91cf\u7684\u5b9a\u4e49\u4e0e\u8d4b\u503c:<\/p>\n

\u5b58\u50a8\u4f8b\u7a0b\u4e2d\u4f7f\u7528\u7684\u53d8\u91cf\u5fc5\u987b\u5728\u4f8b\u7a0b\u5f00\u59cb\u5904\u7528DEFINE\u8bed\u53e5\u5b9a\u4e49\uff0c\u53d8\u91cf\u7684\u6570\u636e\u7c7b\u578b\u4e3a\u9664SERIAL\u4ee5\u5916\u7684\u4efb\u610f\u7c7b\u578b\uff0c\u5982\u679c\u5b9a\u4e49\u4e00\u4e2aTEXT\u6216BYTE\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u5219\u8be5\u53d8\u91cf\u4e3a\u6307\u5411\u6570\u636e\u7684\u6307\u9488\u3002\u4f20\u9012\u7ed9\u7a0b\u5e8f\u7684\u53d8\u91cf\u5fc5\u987b\u5728CRAETE\u00a0PROCEDURE\u8bed\u53e5\u4e2d\u5b9a\u4e49\u3002DEFINE\u4e5f\u53ef\u4f7f\u7528LIKE\u8bed\u53e5\u3002\u53d8\u91cf\u7c7b\u578b\u7f3a\u7701\u4e3a\u5c40\u90e8\u53d8\u91cf\uff0c\u4e5f\u53ef\u5f15\u7528GLOBAL\u5b9a\u4e49\u5168\u5c40\u53d8\u91cf\uff0c\u5168\u5c40\u53d8\u91cf\u5728\u4f8b\u7a0b\u95f4\u4fdd\u6301\u5b83\u7684\u503c\uff0c\u76f4\u81f3\u4f1a\u8bdd\u7ed3\u675f\u3002\u7528\u6237\u5fc5\u987b\u4e3a\u6bcf\u4e00\u4e2a\u5b9a\u4e49\u7684\u5168\u5c40\u53d8\u91cf\u8d4b\u7f3a\u7701\u503c\uff0c\u7f3a\u7701\u503c\u4ec5\u5728\u4f8b\u7a0b\u7b2c\u4e00\u6b21\u5f15\u7528\u8be5\u5168\u5c40\u53d8\u91cf\u65f6\u4f7f\u7528\uff0c\u4ee5\u540e\u7684\u4f8b\u7a0b\u5c06\u4f1a\u5ffd\u7565\u5176\u7f3a\u7701\u503c\u3002<\/p>\n

\u4f8b\uff1aCREATE\u00a0PROCEDURE\u00a0SP1\uff08\uff09<\/p>\n

RETURNING\u00a0INT\uff1b<\/p>\n

DEFINE\u00a0GLOBAL\u00a0I\u00a0INT\u00a0DEFAULT\u00a01\uff1b<\/p>\n

LET\u00a0I=I+1\uff1b<\/p>\n

RETURN\u00a0I\uff1b<\/p>\n

END\u00a0PROCEDURE<\/p>\n

CRAETE\u00a0PROCEDURE\u00a0SP2\u00a0\uff08\uff09<\/p>\n

RETURNING\u00a0INT\uff1b<\/p>\n

DEFINE\u00a0GLOBAL\u00a0I\u00a0INT\u00a0DEFAULT\u00a04\uff1b<\/p>\n

LET\u00a0I=I+1\uff1b<\/p>\n

RETURN\u00a0I;<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\u5f53\u6267\u884c\u987a\u5e8f\u4e3aSP1\uff0cSP2\u00a0\u8fd4\u56de\u503c3\uff0c\u5f53\u6267\u884c\u987a\u5e8f\u4e3aSP2\uff0cSP1\u8fd4\u56de\u503c\u4e3a6\u3002<\/p>\n

\u4f8b\u7a0b\u4e5f\u53ef\u88ab\u58f0\u540d\u4e3a\u53d8\u91cf<\/p>\n

\u4f8b\uff1aDEFINE\u00a0LEN\u00a0PROCEDURE<\/p>\n

LET\u00a0X=LEN\uff08A\uff0cB\uff0cC\uff09<\/p>\n

\u53d8\u91cf\u8d4b\u503c\u5fc5\u987b\u7528LET\u5173\u952e\u5b57\uff0c\u5982\u679c\u4e0d\u7ed9\u53d8\u91cf\u8d4b\u503c\uff0c\u53d8\u91cf\u4f1a\u6709\u4e00\u4e2a\u4e0d\u786e\u5b9a\u503c\uff0c\u4efb\u4f55\u5bf9\u8be5\u53d8\u91cf\u7684\u4f7f\u7528\u90fd\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/p>\n

BEGIN……END<\/p>\n

\u5229\u7528BEGIN….END\u53ef\u4ee5\u5c01\u88c5\u8bed\u53e5,\u5b83\u5141\u8bb8\u7528\u6237\u5b8c\u6210\u4ee5\u4e0b\u529f\u80fd:<\/p>\n

.\u5b9a\u4e49\u4ec5\u7528\u4e8e\u8be5\u8bed\u53e5\u5757\u7684\u53d8\u91cf<\/p>\n

.\u5728\u8bed\u53e5\u5757\u5185\u4ee5\u4e0d\u540c\u65b9\u5f0f\u5904\u7406\u5f02\u5e38\u60c5\u51b5.<\/p>\n

.\u5728\u67d0\u8bed\u53e5\u5757\u4e2d\u5b9a\u4e49\u7684\u53d8\u91cf,\u5728\u8be5\u8bed\u53e5\u5757\u4ee5\u53ca\u5b83\u6240\u5305\u542b\u7684\u8bed\u53e5\u5757\u90fd\u6709\u6548,\u9664\u975e\u53c8\u5c06\u53d8\u91cf\u5b9a\u4e49\u4e00\u6b21\u3002<\/p>\n

\u4f8b\u00a0:\u00a0CREATE\u00a0PROCEDURE\u00a0SP\u00a0\uff08\uff09<\/p>\n

RETURNING\u00a0INT\uff1b<\/p>\n

DEFINE\u00a0V1\u00a0INT\uff1b<\/p>\n

LET\u00a0V1=1\uff1b<\/p>\n

BEGIN<\/p>\n

DEFINE\u00a0V1\u00a0INT\uff1b<\/p>\n

LET\u00a0V1=2\uff1b<\/p>\n

END<\/p>\n

RETURN\u00a0V1\uff1b<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\u8fd4\u56de\u503c\u4e3a1\u3002<\/p>\n

4.\u5728\u4f8b\u7a0b\u4e2d\u6267\u884c\u5176\u4ed6\u4f8b\u7a0b\u548c\u7cfb\u7edf\u547d\u4ee4:<\/p>\n

\u5e94\u7528CALL\u547d\u4ee4\u53ef\u5728\u4f8b\u7a0b\u4e2d\u8c03\u7528\u5176\u4ed6\u7684\u4f8b\u7a0b\u3002<\/p>\n

\u4f8b\uff1aCREATE\u00a0PROCEDURE\u00a0SP\uff08\uff09<\/p>\n

DEFINE\u00a0I\uff0cJ\uff0cK\uff0cL\u00a0INT\uff1b<\/p>\n

CALL\u00a0SP1\uff0810\uff0c20\uff09\u00a0RETURNING\u00a0I\uff0cJ\uff0cK\uff1b<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\u7528SYSTEM\u53ef\u5728\u4f8b\u7a0b\u4e2d\u8c03\u7528\u7cfb\u7edf\u547d\u4ee4\u3002\u00a0\u901a\u8fc7SYSTEM\u547d\u4ee4\uff0c\u7528\u6237\u53ef\u4ee5\u6267\u884c\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u3002\u7cfb\u7edf\u547d\u4ee4\u653e\u5728\u62ec\u53f7\u5185\uff0c\u7528\u53cc\u7ba1\u9053\u53f7\uff08||\uff09\uff0c\u8fd8\u53ef\u4ee5\u4e3aSYSTEM\u547d\u4ee4\u4e32\u8fde\u8d77\u591a\u4e2a\u8868\u8fbe\u5f0f\u3002\u4f46\u5728\u5b58\u50a8\u4f8b\u7a0b\u4e2d\u4e0d\u80fd\u4f7f\u7528\u8be5\u547d\u4ee4\u7684\u8fd4\u56de\u503c\uff0c\u5982\u679c\u7cfb\u7edf\u8c03\u7528\u5931\u8d25\uff08\u8fd4\u56de\u975e\u96f6\u503c\uff09\uff0c\u8fd4\u56de\u503c\u5c06\u548cSQL\u9519\u8bef\u4ee3\u7801\u4e00\u8d77\uff0c\u653e\u5728ISAM\u4ee3\u7801\u4e2d\u3002<\/p>\n

\u4f8b\uff1aSYSTEM\u00a0“\/usr\/exec\/exec.sh”<\/p>\n

\u7528RETURN\u547d\u4ee4\u53ef\u4ee5\u5c06\u4f8b\u7a0b\u8fd0\u884c\u7684\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u5b83\u7684\u5e94\u7528\u3002\u5f53\u9700\u8981\u591a\u6b21\u8c03\u7528\u540c\u4e00\u4f8b\u7a0b\u53ef\u6267\u884cRETURN\u00a0WITH\u00a0RESUME\u547d\u4ee4\uff0c\u5b83\u53ef\u4ee5\u4fdd\u8bc1\u4e0b\u4e00\u6b21\u8c03\u7528\u8be5\u4f8b\u7a0b\u65f6\uff0c\u6240\u6709\u53d8\u91cf\u4fdd\u6301\u539f\u503c\uff0c\u800c\u4e14\u4eceRETURN\u00a0WITH\u00a0RESUME\u540e\u7684\u7b2c\u4e00\u6761\u8bed\u53e5\u6267\u884c\u3002<\/p>\n

\u4f8b\uff1aRETURN\u00a0V_INT\u00a0WITH\u00a0RESUME;<\/p>\n

5.\u8c03\u8bd5\u8ddf\u8e2a\u8bed\u53e5:<\/p>\n

\u6211\u4eec\u5728\u505a\u5e94\u7528\u7684\u65f6\u5019\uff0c\u5f53\u7a0b\u5e8f\u5b8c\u6210\u540e\u90fd\u9700\u8981\u8fdb\u884c\u6570\u636e\u6d4b\u8bd5\uff0c\u4ee5\u4fbf\u9a8c\u8bc1\u7a0b\u5e8f\u903b\u8f91\u7684\u4e25\u5bc6\u6027\uff0c\u5728\u4f8b\u7a0b\u4e2d\uff0cINFORMIX\u4e5f\u63d0\u4f9b\u4e86\u8c03\u8bd5\u8ddf\u8e2a\u8bed\u53e5\uff0c\u5176\u4e3b\u8981\u6709\uff08TRACE\uff0cON\u00a0EXCEPTION\uff0cRAISE\u00a0EXCEPTION\uff09\u3002TRACE\u00a0\u8bed\u53e5\u53ef\u4ee5\u8ddf\u8e2a\u8bed\u53e5\u5757\u4e2d\u6bcf\u4e00\u4e2a\u6d3b\u52a8\u8bed\u53e5\u7684\u7ed3\u679c\u548c\u8fc7\u7a0b\uff0c\u5e76\u4e14\u53ef\u7528SET\u00a0DEBUG\u00a0FILE\u00a0TO\u00a0FILENAME\u00a0\u8bed\u6cd5\u5199\u5165\u6307\u5b9a\u6587\u4ef6\u4e2d\u3002<\/p>\n

ON\u00a0EXECEPTION\u53ef\u5728\u4f8b\u7a0b\u4e2d\u8bbe\u5b9a\u65ad\u70b9\uff0c\u5411\u4e00\u4e2aDEBUGLOG\u6216ERRLOG\u6587\u4ef6\u5199\u5165\u9519\u8bef\u4fe1\u606f\u3002\u5b8c\u6574\u8bed\u6cd5\u4e3a:<\/p>\n

ON\u00a0EXCEPTION\u00a0IN\u00a0\uff08error_number\uff09<\/p>\n

set\u00a0sql\u9519\u8bef\u4ee3\u7801\u53d8\u91cf\uff0cisam\u9519\u8bef\u4ee3\u7801\u53d8\u91cf\uff0c\u9519\u8bef\u4fe1\u606f\u53d8\u91cf<\/p>\n

\u5904\u7406\u8bed\u53e5<\/p>\n

END\u00a0EXCEPTION\u00a0WITH\u00a0RESUME<\/p>\n

\u6ce8\u610fSET\u540e\u76843\u4e2a\u53d8\u91cf\u5fc5\u987b\u5728DEFINE\u4e2d\u5b9a\u4e49\uff0c\u5176\u4e2dsql\u9519\u8bef\u4ee3\u7801\uff0eIsam\u9519\u8bef\u4ee3\u7801\u53d8\u91cf\u7c7b\u578b\u4e3aINT,\u9519\u8bef\u4fe1\u606f\u53d8\u91cf\u4e3a\u8db3\u591f\u957f\u7684CHAR\u53d8\u91cf\u3002Error_number\u662f\u4e00\u4e2aSQL\u9519\u8bef\u4ee3\u7801\u6216\u7528RAISE\u00a0EXCEPTION\u8bbe\u7f6e\u7684\u9677\u9631\u4ee3\u7801\u3002WITH\u00a0RESUME\u4e3a\u53ef\u9009\u9879,\u5f53\u7528WITH\u00a0RESUME\u8bed\u53e5\u65f6,INFORMIX\u4f1a\u6267\u884c\u5b8cON\u00a0EXCEPTION\u8bed\u53e5\u5757\u7684\u547d\u4ee4\u540e\u4f1a\u8fd4\u56de\u5230\u51fa\u9519\u547d\u4ee4\u884c\u7684\u4e0b\u4e00\u884c\u63a5\u7740\u6267\u884c,\u6216RAISE\u00a0EXCEPTION\u7684\u4e0b\u4e00\u884c\u6267\u884c\u3002<\/p>\n

RAISE\u00a0EXCEPTION\u4eba\u4e3a\u8bbe\u5b9aSQL\u9519\u8bef\u4ee3\u7801\uff0cISAM\u9519\u8bef\u4ee3\u7801\uff0c\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n

RAISE\u00a0EXCEPTION\u4e0eON\u00a0EXCEPTION\u8bed\u6cd5\u8fde\u7528\u5f88\u5bb9\u6613\u8ddf\u8e2a\u4f8b\u7a0b\u7684\u9519\u8bef\u4ee3\u7801<\/p>\n

\u4f8b\uff1aCREATE\u00a0PROCEDURE\u00a0TMP_PROCEDURE()<\/p>\n

DEFINE\u00a0SQLCODE\u00a0INT;<\/p>\n

DEFINE\u00a0ISAMCODE\u00a0INT;<\/p>\n

DEFINE\u00a0ERR_TXT\u00a0CHAR(255);<\/p>\n

ON\u00a0EXCEPTION\u00a0SET\u00a0SQLCODE,ISAMCODE,ERR_TXT<\/p>\n

IF\u00a0SQLCODE=\u00a0-284\u00a0THEN<\/p>\n

RASIE\u00a0EXCEPTION\u00a0SQLCODE,ISAMCODE,”\u5728TMP_PROCEDURE\u4e2d\u67e5\u8be2\u8fd4\u56de\u591a\u6761\u8bb0\u5f55”;<\/p>\n

END\u00a0IF<\/p>\n

IF\u00a0SQLCODE=\u00a0-1218\u00a0THEN<\/p>\n

RASIE\u00a0EXCEPTION\u00a0SQLCODE,ISAMCODE,”\u5728TMP_RPOCEDURE\u4e2d\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\u201c\uff1b<\/p>\n

END\u00a0IF<\/p>\n

END\u00a0EXCEPTION<\/p>\n

SELECT\u00a0…….<\/p>\n

END\u00a0PROCEDURE<\/p>\n

\uff16.\u8fc7\u7a0b\u5b9e\u4f8b:<\/p>\n

CREATE\u00a0PROCEDURE\u00a0YEARS(E_DATE\u00a0DATE,B_DATE\u00a0DATE)<\/p>\n

RETURNING\u00a0INT;\u8fd4\u56deE_DATE\u4e0eB_DATE\u4e4b\u95f4\u7684\u6574\u5e74\u6570(E_DATE\u5927\u4e8eB_DATE)<\/p>\n

DEFINE\u00a0V_E\u00a0\u00a0INT;<\/p>\n

DEFINE\u00a0V_B\u00a0\u00a0INT;<\/p>\n

LET\u00a0V_E\u00a0=\u00a0MONTH(E_DATE);<\/p>\n

LET\u00a0V_B\u00a0=\u00a0MONTH(B_DATE);<\/p>\n

IF\u00a0V_E\u00a0<\u00a0V_B\u00a0THEN<\/p>\n

LET\u00a0V_E\u00a0=\u00a0YEAR(E_DATE)-YEAR(B_DATE)-1;<\/p>\n

RETURN\u00a0V_E;<\/p>\n

ELIF\u00a0V_E\u00a0>;\u00a0V_B\u00a0THEN<\/p>\n

LET\u00a0V_E\u00a0=\u00a0YEAR(E_DATE)-YEAR(B_DATE);<\/p>\n

RETURN\u00a0V_E;<\/p>\n

END\u00a0IF;<\/p>\n

LET\u00a0V_E\u00a0=\u00a0DAY(E_DATE);<\/p>\n

LET\u00a0V_B\u00a0=\u00a0DAY(B_DATE);<\/p>\n

IF\u00a0V_E\u00a0<\u00a0V_B\u00a0THEN<\/p>\n

LET\u00a0V_E\u00a0=\u00a0YEAR(E_DATE)-YEAR(B_DATE)-1;<\/p>\n

RETURN\u00a0V_E;<\/p>\n

ELSE<\/p>\n

LET\u00a0V_E\u00a0=\u00a0YEAR(E_DATE)-YEAR(B_DATE);<\/p>\n

RETURN\u00a0V_E;<\/p>\n

END\u00a0IF;<\/p>\n

END\u00a0PROCEDURE;<\/p>\n

\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a\u8d6b\u975e\u57df<\/a> » INFORMIX-4GL\u5b9e\u7528\u624b\u518c<\/a><\/p>","protected":false},"excerpt":{"rendered":"

\u7b2c\u4e00\u7ae0\u00a0\u00a0\u00a0Informix\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u5b9a \u4e00.\u73af\u5883\u8303\u4f8b\uff1a \u53d8\u00a0\u91cf\u00a0\u540d\u00a0\u79f0 \u53d8\u00a0\u00a0\u00a0\u00a0\u91cf\u00a0\u00a0\u00a0\u00a0\u8bf4\u00a0\u00a0\u00a0\u00a0\u660e DBDELIMITER \u6307\u5b9a\u7531dbload\u5728\u5378\u51fa\u6570\u636e\u6587\u4ef6\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u5b9a\u754c\u7b26 DBDATE \u6307\u5b9a\u5728DB\u4e2d\u60f3\u8981\u4f7f\u7528\u7684\u65e5\u671f\u683c\u5f0f(Y4MD\/,MDY […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[60],"class_list":["post-249","post","type-post","status-publish","format-standard","hentry","category-4gl","tag-4gl"],"_links":{"self":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=249"}],"version-history":[{"count":1,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/249\/revisions"}],"predecessor-version":[{"id":250,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/249\/revisions\/250"}],"wp:attachment":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}