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Oracle Locking scripts

Oracle Tips by Burleson Consulting
Don Burleson

Here is a good link on Oracle locking scripts:

Also, here is a sample of the types of Oracle serialization locks:

It can be a challenge to monitor locks in Oracle. Just for v$lock_dpt alone, multiple joins are usually required to get the desired information. We suggest using the catblock.sql script, as it creates several useful views for locks. The catblock.sql script is located in the $ORACLE_HOME/rdbms/admin directory on UNIX, and in the c:\orant\rdbms\admin directory on NT. The script creates dba_kgllock, dba_lock, dba_lock_internal, dba_dml_locks, dba_ddl_locks, dba_waiters, and dba_blockers.



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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

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