RE: Analyze Question -- How CBO uses column statistics for non-indexed columns

Hi Larry,

I think that the answer is that the statistics are of no use to the CBO until an index is created.

@ Regards,
@ Steve Adams
@ http://www.ixora.com.au/
@ http://www.christianity.net.au/

-----Original Message-----
Sent: Friday, 2 February 2001 11:16
To: Multiple recipients of list ORACLE-L non-indexed columns

Listers,

7.3.4.3 database on HP-UX 11.0.

In what way do statistics (or lack thereof) on non-indexed columns influence the CBO?

I've searched high and wide for any info on this and came up with nothing, and, I can't think of a reason or example off the top of my head. And no, this isn't an OCP, homework (I wish I were that young), or interview question. Simply a question a friend called and asked me.

Regards,

Larry G. Elkins
elkinsl_at_flash.net

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Author: Steve Adams
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