Monitoring SQL without where clause

From: Reddy, Madhusudana <Madhusudana.Reddy_at_bestbuy.com>
Date: Thu, 19 Jun 2003 09:11:32 -0700
Message-ID: <F001.005B50DA.20030619083017@fatcity.com>

Morning All,

Is somebody here monitoring SQL statements which do not have Where clause ??

Couple of times on our DB ( 8.1.7 ), some SQL statements were issued by Application ( bad code ) as well as users without where clause causing HUGE rollback ( almost 400 Million blocks ) and also causing LOCKS some times. When we kill these session(s) , its taking almost 6 to 7 hours to parallel rollback.

Also , can you guys provide me some script to monitor the Rollback segments , like when the rollback usage by session reaches 200 Million blocks, script has to mail me. Basic SQL script should be fine for me.

Thank you,
Madhu Reddy

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Author: Reddy, Madhusudana
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