运行oracle自己的工具就可以查询锁的信息
You can also use the utllockt.sql script to display lock wait-for in a hierarchy. The script prints the sessions that are waiting for locks and the sessions that are blocking.
You must run the catblock.sql script (found in $ORACLE_HOME/rdbms/admin folder) as a sysdba user before using utllockt.sql. The catblock.sql script creates the dba_locksand dba_blockers views along with others that will be used by utllockt.sql[@more@]
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