ORA-01940: cannot drop a user that is currently connected 问题解析
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https://www.linuxidc.com/Linux/2012-12/76448.htm
删除数据库用户的时候经常会遇到这样的错误;
ORA-01940: cannot drop a user that is currently connected
原因是有程序在连接我们需要删除的用户,我们删除用户之前一定要先把连接断掉;
1、查找帐号下哪些连接在运行:
SELECT SID,SERIAL# FROM V$SESSION WHERE USERNAME=‘USERNAME‘;
注意:此处需要大写
SQL> SELECT SID,SERIAL# FROM V$SESSION WHERE USERNAME=‘SSTEST‘;
SID SERIAL#
---------- ----------
137 41813
335 25993
464 58747
500 9153
531 50402
629 9264
631 11237
664 36180
8 rows selected.
2、删除用户进程;
SQL>ALTER SYSTEM KILL SESSION ‘137,41813‘;
System altered.
SQL>ALTER SYSTEM KILL SESSION ‘33525993;
System altered.
3、重新查看用户连接,并确认无连接在使用
SELECT SID,SERIAL# FROM V$SESSION WHERE USERNAME=‘SSCRM‘;
4、删除用户
drop user sstest cascade ;
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