Oracle动态SQL
- DBMS_SQL的内置包
- Native Dynamic SQL
Native Dynamic SQL的三种常用功能
- 执行不包含绑定变量的动态DDL或DML
- 执行包含绑定变量的动态DDL或DML
- DQL支持,Data Query Language
场景/简单流程
代码- DECLARE
- TMPSTR VARCHAR2(4000) := NULL;
- TMPI NUMBER(10) := 0;
- BEGIN
- FOR C IN (SELECT B.TABLE_NAME BTN
- FROM USER_CONSTRAINTS A
- LEFT JOIN USER_CONSTRAINTS B
- ON A.OWNER = B.OWNER
- AND B.R_CONSTRAINT_NAME = A.CONSTRAINT_NAME
- WHERE A.OWNER = "NSTCSA224"
- AND A.TABLE_NAME = "CPM_BRANCH") LOOP
- IF (C.BTN IS NOT NULL) THEN
- TMPSTR := "BEGIN SELECT COUNT(*) INTO :CC FROM " || C.BTN || " ; END;";
- EXECUTE IMMEDIATE TMPSTR USING OUT TMPI;
- DBMS_OUTPUT.PUT_LINE("SQL语句: " || TMPSTR);
- DBMS_OUTPUT.PUT_LINE("表名称:" || C.BTN || " 数据:" || TMPI);
- END IF;
- END LOOP;
- EXCEPTION
- WHEN OTHERS THEN
- DBMS_OUTPUT.PUT_LINE(SQLERRM);
- END;
参考资料1、Oracle Database 10g PL/SQLLinux下安装Oracle常见问题Linux下MySQL的写文件时权限错误(Errcode: 13)解决方法相关资讯 oracle数据库教程
- Oracle raw数据类型介绍 (01/29/2013 10:05:53)
- 监听器注册与ORA-12514 错误分析 (11/13/2012 14:30:08)
- Oracle SQL的cursor理解 (11/13/2012 14:16:17)
| - Oracle 如何强制刷新Buffer Cache (01/29/2013 10:02:46)
- dblink致Oracle库的SCN变成两库的 (11/13/2012 14:24:41)
- Linux操作系统下完全删除Oracle数 (11/13/2012 08:25:52)
|
本文评论 查看全部评论 (0)