SQL〉DROP USER ABC CASCADE
ERROR:ORA-01940: cannot drop a user that is currently connected
由于当前用户正连接到数据库,所以无法删除
解决办法:
1、查询此用户的会话进程,
SQL〉SELECT SID,SERIAL# FROM V$SESSION WHERE USERNAME='ABC';
SID SERIAL#
---------- ----------
24 25341
86 18117
2、结束此用户的所有会话
SQL>ALTER SYSTEM KILL SESSION '24,25341';
System altered.
SQL>ALTER SYSTEM KILL SESSION '86,18117';
System altered.
3、删除用户
SQL〉DROP USER ABC CASCADE;