一.查询哪些表被锁以及查看锁表得会话及操作系统进程ID 其中locked_mode为锁的级别,spid为数据库所在操作系统的进程id select c.sid, c.serial#, c.username, c.osuser, b.owner, b.object_name, a.locked_mode, p.spid from v$locked_object a, dba_objects b, v$session c, v$process p where a.object_id = b.obje…