Database Tuning (MOSC)

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Query with Multiple UNIONS taking long time, very slow in performance

edited May 24, 2012 2:31AM in Database Tuning (MOSC) 8 comments
 Greetings...
One query having multiple unions is taking more than 3 minutes to fetch 7000+ records. It has multiple unions... Please suggest, what can be done to tune this query:

Query would be attached after after I create this discussion...

All help would be appreciated...

Regards

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