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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