1.oracle误删除数据的恢复方法
2.查询被锁住的表,解锁
--找到当前被锁住的表
select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode
from v$locked_object lo,
dba_objects ao,
v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.sid;
--解锁 alter system kill session 'sid,serial#'
alter system kill session '37,3307'; (即查询到的sid和serial)