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Enum Fields VS Varchar VS Int + Joined table: What is Faster?

 | January 24, 2008 |  Posted In: Benchmarks

Really often in customers’ application we can see a huge tables with varchar/char fields, with small sets of possible values. These are “state”, “gender”, “status”, “weapon_type”, etc, etc. Frequently we suggest to change such fields to use ENUM column type, but is it really necessary (from performance standpoint)? In this post I’d like to present […]

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