http://connormcdonald.wordpress.com/2012/05/30/index-size/
explain plan for create index IX on MY_TABLE ( bet_account_num );
...
Note
—–
- estimated index size: 5128K bytes
Everything Changes
-
I saw a recent tweet (on Bluesky) from SQLDaily highlighting a blog note
that Lukas Eder wrote in 2016 with the title: “Avoid using COUNT() in SQL
when you...
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