May 2005
Intermediate to advanced
352 pages
14h 39m
English
BIN( )
BIN(number)This function returns a binary number for a given integer. It returns NULL if the string is NULL.
SELECT BIN(1), BIN(2), BIN(3); +--------+--------+--------+ | BIN(1) | BIN(2) | BIN(3) | +--------+--------+--------+ | 1 | 10 | 11 | +--------+--------+--------+
For the number 1 in a base 10 system, the first position in a binary system is on or 1. For the number 2, the first position from the right is off and the second is on. For 3, the first and the second positions are on.
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