http://connormcdonald.wordpress.com/2012/05/30/index-size/
explain plan for create index IX on MY_TABLE ( bet_account_num );
...
Note
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- estimated index size: 5128K bytes
Bind Peeking
-
Here’s a simple detail about bind peeking (during optimisation) that makes
a big difference to “fetch first/next” queries. The optimizer knows about
your b...
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