ORA-01940: cannot drop a user that is currently connected
在本地的测试环境下，打算删除用户重建一下。SQL> drop user XXXX cascade;
drop user pstk cascade
*
ERROR at line 1:
ORA-01940: cannot drop a user that is currently connected
SQL>
处理如下：
select sid,serial# from v$session where username = 'XXXX';
然后执行。
SQL> select sid,serial# from v$session where username = 'PSTK';
SID SERIAL#
---------- ----------
846 3064
847 3540
848 1950
850 173
851 1627
855 1724
856 7025
858 1284
861 4561
862 1317
10 rows selected.
SQL> select 'alter system kill session '''||sid||', '||serial#||''';' aa from v$session where username = 'PSTK';
AA
--------------------------------------------------------------------------------
alter system kill session '846, 3064';
alter system kill session '847, 3540';
alter system kill session '848, 1950';
alter system kill session '850, 173';
alter system kill session '855, 1724';
alter system kill session '856, 7025';
alter system kill session '858, 1284';
alter system kill session '861, 4561';
alter system kill session '862, 1317';
9 rows selected.
SQL>
SQL> alter system kill session '846, 3064';
System altered.
SQL> alter system kill session '847, 3540';
System altered.
SQL> alter system kill session '848, 1950';
System altered.
SQL> alter system kill session '850, 173';
System altered.
SQL> alter system kill session '855, 1724';
System altered.
SQL> alter system kill session '856, 7025';
System altered.
SQL> alter system kill session '858, 1284';
System altered.
SQL> alter system kill session '861, 4561';
System altered.
SQL> alter system kill session '862, 1317';
System altered.
SQL> drop user XXXX cascade;
User dropped.
SQL>
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