At 8:10 -0800 30/5/01, [EMAIL PROTECTED] wrote:
>In earlier versions (7.3 ?) 'analyze ..compute' used to take table 
>level locks. From 8 onwards, compute or estimate does not take any 
>table level or row level locks at all...

Sorry, not true. From at least 7.2.3 (the oldest I have here) there 
was no table-level locking for any analyze statement.

As for the preferment for estimate, Oracle has the last laugh - if 
you estimate on a percentage greater than 50% or specify rows greater 
than half the number of rows in the table, Oracle analyzes the entire 
table.

Regards

Paul Miller
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Author: PD Miller
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