In MySQL, is there a way to compute table statistics?

Posted on 2010-01-12
Medium Priority
Last Modified: 2012-05-08
We are experiencing some very slow queries in MySQL on tables which have frequent updates. Is there a way, like the Postgres "vacuum full analyze", to compute all table statistics in a particular database so that the query optimizer can find a better execution path?
Question by:nirvanastorage
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Expert Comment

ID: 26299059
ANALYZE table command will do that for you. But be sure to read about the locks it would hold on the table engine_type you have.


I don't think there is a single command for the whole database. But you can achieve it with a quick script.

Accepted Solution

db2inst1 earned 2000 total points
ID: 26299075
Actually you can use mysqlcheck --all-dataabases for all the tables in all the database in MySQL


Author Closing Comment

ID: 31676317
you're a genius

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