Finding locked objects in Oracle
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if you’re wondering why particular query or procedure is talking a long such a long time to run; then make sure you check out whether the object you’re accessing is locked or not.
there are quite a few dba views available to make our task less complicated. you can use the below query which will return you the list of locked objects.
SELECT
c.owner,
c.object_name,
c.object_type,
b.sid,
b.serial#,
b.status,
b.osuser,
b.machine
FROM
v$locked_object a ,
v$session b,
dba_objects c
WHERE
b.sid = a.session_id
AND
a.object_id = c.object_id;
you can now decide whether to kill the job/ process or someother roundaway to remove the lock obtained on the particular object.
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