标签:des style blog io color sp on 数据 div
1. 登陆数据库
sqlplus /nolog conn heatmeter/heatmeter@orcl conn sys/orcl as sysdba
2. 查看数据库名称
select name from v$database;
3. 数据库导入导出
exp water/water@orcl file=c:\water.dmp owner=(water); imp water/water@orcl file=c:\waterexp.dmp full=y; imp water/water@orcl file=c:\waterexp.dmp table=(tabale1) full=y;
4. 删除某个用户的所有表
drop user water cascade;
5. 断开某用户的所有连接
select username,sid,serial# from v$session where username=‘WATER10‘; alter system kill session‘22,1‘; drop user water320000 cascade;
6. 查询用户记录最多的10条
select rownum, b.* from (select d.client_id, count(d.client_id) cnt from detail d group by client_id order by cnt desc) b where rownum <= 10
标签:des style blog io color sp on 数据 div
原文地址:http://www.cnblogs.com/ddhjy/p/4143387.html