RE: Is nothing sacred? (Oracle vs The Experts)

According to my Perf Tuning instructor from 08/2000, the "index efficiency" table looked like this:

Oracle Version v5 v6 v7 v8.0 v8.1.6 Rows Returned 20% 15% 8% 4% 9.9%

Rich

Rich Jesse                           System/Database Administrator
Rich.Jesse_at_qtiworld.com              Quad/Tech International, Sussex, WI USA

> -----Original Message-----
> From: Rachel Carmichael [mailto:wisernet100_at_yahoo.com]
> Sent: Tuesday, November 12, 2002 6:48 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Is nothing sacred? (Oracle vs The Experts)
>
>
> last time I checked with an Oracle University instructor who
> I trust as
> knowledgeable, it was FTS if more than 5-8% of rows expected to be
> returned. This was 2000. These days, who knows?
>
> I don't go by the rules much anymore but by perception of performance
> and by explain plan analysis.

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Author: Jesse, Rich
  INET: Rich.Jesse_at_qtiworld.com

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