Bit functions.

These have a range of maximum 64 bits because MySQL uses bigint (64 bit) arithmetic.

|

Bitwise OR.

mysql> select 29 | 15;                   ->     31

&

Bitwise and.

mysql> select 29 & 15;                   ->      13

BIT_COUNT()

Number of set bits in an argument.

mysql> select bit_count(29);             ->      4

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