标签：nbsp partition res close ora rom tab bsp --
sqlplus / as sysdba
show user 查看当前是谁登陆
[oracle@node1 ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production on Mon Jun 5 10:35:05 2017 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> show user USER is "SYS" SQL>
sys 在oracle中最高权限
解锁scott
alter user scott identified by tiger account unlock;
scott 用户下有几张表
select * from tab；
连接符的用法：用查询生成批量操作的命令
select ‘drop table ‘||tname||‘;‘ from tab;
SQL> select ‘drop table ‘||tname||‘;‘ from tab; ‘DROPTABLE‘||TNAME||‘;‘ ------------------------------------------ drop table BONUS; drop table DEPT; drop table EMP; drop table SALGRADE; SQL> select * from tab; TNAME TABTYPE CLUSTERID ------------------------------ ------- ---------- BONUS TABLE DEPT TABLE EMP TABLE SALGRADE TABLE SQL>
标签：nbsp partition res close ora rom tab bsp --
原文地址：http://www.cnblogs.com/jycjy/p/6945950.html
