>>>>> "rc" == Raymond Chui <[EMAIL PROTECTED]> writes:

    rc> Everything is running fine, except take long time to finish.
    rc> Because some tables stored values from 50,000 to 100,000 rows
    rc> Some deletion need to deleted up to 45,000 rows.

Is column_time indexed?

roland
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                       PGP Key ID: 66 BC 3B CD
Roland B. Roberts, PhD                             RL Enterprises
[EMAIL PROTECTED]                     76-15 113th Street, Apt 3B
[EMAIL PROTECTED]                       Forest Hills, NY 11375

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