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  1. #1
    Join Date
    May 2004

    Unanswered: Subquery taking huge time to execute


    I am using a correlated subquery with the Outer query table and the subquery table being the same. The problem is that it is taking a huge time to execute. I have checked the showplan and it shows that the outer query is using one index and the inner query is using another index......

    Can this be a reason for the slow performance ... will it be better if both the subquery and the outer query utilise the same index.

    Can some please throw some light on this.......


  2. #2
    Join Date
    Jun 2003
    try to use use self join instead of sub qurery or post u r query here

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