BIN( )

This MySQL function returns a binary number for a given integer.

Syntax

Below is the syntax for this command. Text within square brackets (i.e, [ and ] ) are optional. Choices are separated by bars (i.e, | ). Ellipses preceded by a comma indicates a repeating pattern. Ellipses before or after syntax are used to highlight a relevant except from the larger syntax. Text displayed in italic letters represent text that should be replaced with the specific names related to the database (e.g., column with the name of the column).

BIN(number)

Explanation

This function returns a binary number for a given integer. It returns NULL if the input is NULL.

Examples

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.