ORA-14452: attempt to create, alter or drop an index on temporary table already in use Cause: An attempt was made to create, alter or drop an index on temporary table which is already in use.
Action: All the sessions using the session-specific temporary table have to truncate table and all the transactions using transaction specific temporary table have to end their transactions. 楼主是做什么操作遇到这个错误的?
你好,我能通过where条件直接找到是哪个会话锁定了指定的临时表吗?
4、查看锁表信息 SELECT l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, s.user#, l.os_user_name,s.machine, s.terminal,a.sql_text, a.action? FROM v$sqlarea a,v$session s, v$locked_object l WHERE l.session_id = s.sid AND s.prev_sql_addr = a.address ORDER BY sid, s.serial#;5、解除锁表 alter system kill session 'sid,serial#'; 例:alter system kill session '135,16';--以下几个为相关表 SELECT * FROM v$lock; SELECT * FROM v$sqlarea; SELECT * FROM v$session; SELECT * FROM v$process ;?????? SELECT * FROM v$locked_object;?? SELECT * FROM all_objects;?? SELECT * FROM v$session_wait;1.查出锁定object的session的信息以及被锁定的object名 SELECT l.session_id sid, s.serial#, l.locked_mode,l.oracle_username, l.os_user_name,s.machine, s.terminal, o.object_name, s.logon_time FROM v$locked_object l, all_objects o, v$session s WHERE l.object_id = o.object_id AND l.session_id = s.sid ORDER BY sid, s.serial# ;2.查出锁定表的session的sid, serial#,os_user_name, machine name, terminal和执行的语句 --比上面那段多出sql_text和action SELECT l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, s.user#, l.os_user_name,s.machine, s.terminal,a.sql_text, a.action? FROM v$sqlarea a,v$session s, v$locked_object l WHERE l.session_id = s.sid AND s.prev_sql_addr = a.address ORDER BY sid, s.serial#;3.查出锁定表的sid, serial#,os_user_name, machine_name, terminal,锁的type,mode SELECT s.sid, s.serial#, s.username, s.schemaname, s.osuser, s.process, s.machine, s.terminal, s.logon_time, l.type FROM v$session s, v$lock l WHERE s.sid = l.sid AND s.username IS NOT NULL ORDER BY sid;
--比如说scott用户对t1表进行delete操作 造成锁表 SQL> conn scott/tiger Connected. SQL> select * from t1; ID NAME ---------- -------------------- 1 wh 2 wp 3 wr 2 hhSQL> delete from t1 where id=3;1 row deleted.--这个时候以SYS登录 查询相关锁的情况 SQL> show user USER is "SYS" SQL> select b.oracle_username 2 from all_objects a,v$locked_object b 3 where a.object_id=b.object_id 4 and a.object_name='T1';ORACLE_USERNAME ------------------------------ SCOTT
Cause: An attempt was made to create, alter or drop an index on temporary table which is already in use.
Action: All the sessions using the session-specific temporary table have to truncate table and all the transactions using transaction specific temporary table have to end their transactions.
楼主是做什么操作遇到这个错误的?
你好,我能通过where条件直接找到是哪个会话锁定了指定的临时表吗?
4、查看锁表信息
SELECT l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, s.user#,
l.os_user_name,s.machine, s.terminal,a.sql_text, a.action?
FROM v$sqlarea a,v$session s, v$locked_object l
WHERE l.session_id = s.sid
AND s.prev_sql_addr = a.address
ORDER BY sid, s.serial#;5、解除锁表
alter system kill session 'sid,serial#';
例:alter system kill session '135,16';--以下几个为相关表
SELECT * FROM v$lock;
SELECT * FROM v$sqlarea;
SELECT * FROM v$session;
SELECT * FROM v$process ;??????
SELECT * FROM v$locked_object;??
SELECT * FROM all_objects;??
SELECT * FROM v$session_wait;1.查出锁定object的session的信息以及被锁定的object名
SELECT l.session_id sid, s.serial#, l.locked_mode,l.oracle_username,
l.os_user_name,s.machine, s.terminal, o.object_name, s.logon_time
FROM v$locked_object l, all_objects o, v$session s
WHERE l.object_id = o.object_id
AND l.session_id = s.sid
ORDER BY sid, s.serial# ;2.查出锁定表的session的sid, serial#,os_user_name, machine name, terminal和执行的语句
--比上面那段多出sql_text和action
SELECT l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, s.user#,
l.os_user_name,s.machine, s.terminal,a.sql_text, a.action?
FROM v$sqlarea a,v$session s, v$locked_object l
WHERE l.session_id = s.sid
AND s.prev_sql_addr = a.address
ORDER BY sid, s.serial#;3.查出锁定表的sid, serial#,os_user_name, machine_name, terminal,锁的type,mode
SELECT s.sid, s.serial#, s.username, s.schemaname, s.osuser, s.process, s.machine,
s.terminal, s.logon_time, l.type
FROM v$session s, v$lock l
WHERE s.sid = l.sid
AND s.username IS NOT NULL
ORDER BY sid;
SQL> conn scott/tiger
Connected.
SQL> select * from t1; ID NAME
---------- --------------------
1 wh
2 wp
3 wr
2 hhSQL> delete from t1 where id=3;1 row deleted.--这个时候以SYS登录 查询相关锁的情况
SQL> show user
USER is "SYS"
SQL> select b.oracle_username
2 from all_objects a,v$locked_object b
3 where a.object_id=b.object_id
4 and a.object_name='T1';ORACLE_USERNAME
------------------------------
SCOTT