April 2008
Intermediate to advanced
566 pages
21h 55m
English
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Name
BIT_COUNT()
Synopsis
BIT_COUNT(number)This function returns the number of bits set in the argument, which is an integer that the function treats as a binary number.
SELECT BIT_COUNT(10), BIT_COUNT(11); +---------------+---------------+ | BIT_COUNT(10) | BIT_COUNT(11) | +---------------+---------------+ | 2 | 3 | +---------------+---------------+
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.