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what does explain ref const, const means ?
Posted by: jongse park
Date: November 23, 2022 12:00AM

I executed explain a select query.
the result shows two const, const for in a ref column.
what does two const, const means ?
does explain reads twice table ?

Please help me.

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what does explain ref const, const means ?
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November 23, 2022 12:00AM


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