Syntax
------ 
BIN(N)
 
Description
----------- 
Returns a string representation of the binary value of the
given longlong (that is, BIGINT) number. This is equivalent
to CONV(N,10,2). The argument should be positive. If it is a
FLOAT, it will be truncated. Returns NULL if the argument is
NULL.
 
Examples
-------- 
SELECT BIN(12);
+---------+
| BIN(12) |
+---------+
| 1100 |
+---------+
 


URL: https://mariadb.com/kb/en/bin/