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Re: NUM_ROWS vs COUNT(*) anomaly

From: Kenneth C Stahl <BlueSax_at_Unforgetable.com>
Date: Thu, 13 Jan 2000 07:52:57 -0500
Message-ID: <387DCAA9.E3D8BAF4@Unforgetable.com> 





Sybrand Bakker wrote:


> 


> Import? If you don't do anything about, tables WILL be analysed during


> import.


> Analyze is no act of God, and values are not 'made up' if you query them.


> 


> Hth,


> 





It should also be noted that if you do not perform an ANALYZE, then the
Optimizer will not use cost-based optimization and reverts to rule-based
optimization where you must be much more careful about how you construct
cursors.
Received on Thu Jan 13 2000 - 06:52:57 CST












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