启动ASM实例失败ORA-29701
点击(此处)折叠或打开[grid@songasm Desktop]$ sqlplus / as sysasmSQL*Plus: Release 11.2.0.4.0 Production on Tue Sep 6 17:10:21 2016Copyright (c) 1982, 2013, Oracle. All rights reserved.Connecte...
提示用户名密码将要过期时,会导致开启执行计划失效
点击(此处)折叠或打开SQL> show user;USER is "SCOTT"SQL> explain plan for select * from emp;Explained.SQL> select * from table(dbms_xplay.display);select * from table(dbms_xplay.dis...
数据库对象
Schema:一个用户和他下面所有的对象称为一个Schema。
Oracle基础sql语句
1、windows 下服务的启动和关闭net start 服务名net stop 服务名2、查看执行计划explain plan for sql语句select * from table(dbms_xplan.display);3、
启用SQL执行计划,遇到没有启用 PLUSTRACE 角色
点击(此处)折叠或打开SQL> show user USER is "SCOTT"SQL> set autot onSP2-0618: Cannot find the Session Identifier. Check PLUSTRACE role is enabledSP2-0611: Error enabling STATISTICS reportSQL> conn / as sysd...