andyao 发表于 2013-1-27 05:34:10

Enum VS Varchar VS Int + Joined: What is Faster

Enum Fields VS Varchar VS Int + Joined table: What is Faster?http://www.google.com/reader/ui/2412528845-go-to.gif

<div class="entry-author">from MySQL Performance Blog by Alexey Kovyrin
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