SQL之DDL导致的隐式提交

1. 如果DDL语法正确，即使执行失败，也会导致隐式提交：duzz$scott@orcl>create table t1 as select * from dept;Table created.Elapsed: 00:00:00.03duzz$scott@orcl>update t1 set loc="xx" where deptno=10;1 row updated.Elapsed: 00:00:00.03duzz$scott@orcl>drop table xx;drop table xx*ERROR at line 1:ORA-00942: table or view does not existElapsed: 00:00:00.01+++++++++++++++++++++++++++++++++++++++++++++++++++++duzz$sys@orcl>select * from scott.t1;DEPTNO DNAME LOC---------- ------------------------------------------ ---------------------------------------10 ACCOUNTING xx20 RESEARCH DALLAS30 SALES CHICAGO40 OPERATIONS BOSTONElapsed: 00:00:00.012. 如果DDL语法错误，则不会导致隐式提交，亦不会自动回滚事务：duzz$scott@orcl>update t1 set loc="yy" where deptno=20;1 row updated.Elapsed: 00:00:00.00duzz$scott@orcl>drop table col xx;drop table col xx*ERROR at line 1:ORA-00933: SQL command not properly endedElapsed: 00:00:00.00+++++++++++++++++++++++++++++++++++++++++++++++++++++duzz$sys@orcl>select * from scott.t1;DEPTNO DNAME LOC---------- ------------------------------------------ ---------------------------------------10 ACCOUNTING xx20 RESEARCH DALLAS30 SALES CHICAGO40 OPERATIONS BOSTONElapsed: 00:00:00.00总结：DDL伪代码：BeginParse DDL;Commit;Do DDL;ExceptionWhen others thenNull;End;Java无法连接MongoDB问题查看 Oracle 数据库锁和解锁的方法相关资讯 Oracle教程

Oracle中纯数字的varchar2类型和（07/29/2015 07:20:43）
Oracle教程：Oracle中查看DBLink密（07/29/2015 07:16:55）
[Oracle] SQL*Loader 详细使用教程（08/11/2013 21:30:36）

Oracle教程：Oracle中kill死锁进程（07/29/2015 07:18:28）
Oracle教程：ORA-25153 临时表空间（07/29/2015 07:13:37）
Oracle教程之管理安全和资源（04/08/2013 11:39:32）

本文评论查看全部评论（0）