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Varchar length - performance
Posted by: Sakis Terzis
Date: June 28, 2013 03:40AM

I am running some queries of the type SELECT * WHERE myvarchar LIKE '%something%'
The database uses myIsam and the Varchar has now fixed length 8000

Does the length of that field plays any role in the performance?
If i use joins in the query does the length affects the performance?

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