SQL> drop user lisi; drop user lisi ORA-01940: 无法删除当前连接的用户 SQL> select username,sid,serial# from v$session where username is not null; USERNAME SID SERIAL# ------------------------------ ---------- ---------- AAA 12 28 AAA 13 186 AAA 21 204 AAA 24 45 AAA 143 206 LISI 145 487 6 rows selected SQL> select username,sid,serial# from v$session where username='LISI'; USERNAME SID SERIAL# ------------------------------ ---------- ---------- LISI 145 487 SQL> alter system kill session '145,487'; System altered SQL> drop user lisi cascade; SQL> User dropped SQL> select username,sid,serial# from v$session where username='LISI'; USERNAME SID SERIAL# ------------------------------ ---------- ---------- LISI 145 487 SQL> select username,sid,serial# from v$session where username is not null; USERNAME SID SERIAL# ------------------------------ ---------- ---------- AAA 12 28 AAA 21 204 AAA 24 45 AAA 143 206 LISI 145 487 SQL> alter system kill session'145,487'; System altered SQL> drop user lisi cascade; drop user lisi cascade ORA-01918: 用户 'LISI' 不存在 SQL> select username,sid,serial# from v$session where username is not null; USERNAME SID SERIAL# ------------------------------ ---------- ---------- AAA 12 28 AAA 21 204 AAA 24 45 AAA 143 206 LISI 145 487 SQL> select username,sid,serial# from v$session where username is not null; USERNAME SID SERIAL# ------------------------------ ---------- ---------- AAA 12 28 AAA 21 204 AAA 24 45 AAA 143 206 LISI 145 487
时间: 2024-10-15 02:22:41