RE: Why a rebuild speeds up my queries.
- From: Wolfgang Breitling <breitliw@xxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 1 Sep 2004 07:24:49 -0700
A good value to start is to figure out the growth ratio of your table:
100* (1 - avg_row_len(newborn row) / avg_row_len(grown-up row) )
e.g. if a row is about twice as big when it has been fully updated that when it
was new, then you get 100*(1 - 0.5) = 50
Quoting David Sharples <dsharples@xxxxxxxxxxxxxxxxxxxxx>:
--
regards
Wolfgang Breitling
Oracle 7,8,8i,9i OCP DBA
Centrex Consulting Corporation
www.centrexcc.com
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