查看数据库状态(普通用户登录要保证数据库是open状态)
SQL> select status from v$instance;
创建用户(新用户需要授予连接权限才能连上数据库)
SQL> create user user1 identified by redhat;SQL> conn user1/redhat ERROR:ORA-01045: user USER1 lacks CREATE SESSION privilege; logon deniedWarning: You are no longer connected to ORACLE.SQL> SQL> show userUSER is ""SQL> conn / as sysdbaConnected.SQL> SQL> grant connect to user1;SQL> conn user1/redhat;Connected.SQL>
查看系统拥有哪些用户
SQL> select * from all_users;
执行sql文件(PATH表示文件的路径)
SQL> @PATH/filename.sql
测试sql语句执行时间
SQL>set timing on ;
查看当前数据库名
SQL> select name from v$database;
原文地址:https://www.cnblogs.com/xphdbky/p/8297628.html
时间: 2024-08-28 16:01:08