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What Data Type is Returned by a Mathematical Function?
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Or, “Missing information in the MySQL Manual”.

Just earlier today, I was using POW(), which I’ve grown quite fond of, simply because it makes life easier. I prefer using it like SELECT 512*POW(1024,2) to find out the number of bytes to put in a variable, for example.

First, let’s take a look at the POW function:

Name: 'POW'

Returns the value of X raised to the power of Y.

Okay, so it gives us a value; but what about the data …

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