Name
BIT_AND( )
Synopsis
BIT_AND(column)This function returns the bitwise AND of all
elements in column. Use this in
conjunction with the GROUP BY
clause. The function has a 64-bit precision. If there are no matching
rows, before Version 4.0.17 of MySQL, a -1 is returned. Newer
versions return 184467440737039551615, which is the maximum value for
an unsigned BIGINT column.
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