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Home -> Community -> Usenet -> c.d.o.server -> Re: EXPLAIN Plan
"Dereck L. Dietz" <dietzdl_at_ameritech.net> wrote in message
news:EPeUg.7793$GR.297_at_newssvr29.news.prodigy.net...
> Earlier today my manager sent an EXPLAIN PLAN to a number of us for help
> with a query. In the EXPLAN PLAN there was an INDEX RANGE SCAN which the
> off-site DBA said was caused by the table not being analyzed.
>
> The INDEX RANGE SCAN was using an index - maybe not the one I'd expect
> but
> nonetheless was using an index on the table being EXPLAINED.
>
> Am I missing something or does what the DBA not really make sense?
>
>
Possibly the DBA wasn't expressing himself very well. Perhaps he meant to say something like:
If the table had been analyzed, the path would have been different and this particular index range scan would not have happened.
-- Regards Jonathan Lewis http://www.oracle.com/technology/community/oracle_ace/ace1.html#lewis The Co-operative Oracle Users' FAQ http://www.jlcomp.demon.co.uk/faq/ind_faq.html Cost Based Oracle: Fundamentals http://www.jlcomp.demon.co.uk/cbo_book/ind_book.htmlReceived on Wed Oct 04 2006 - 14:26:41 CDT
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