MySQL Tutorial/Math Numeric Functions/CRC32

CRC32(expr) returns a cyclic redundancy check value and returns a 32-bit unsigned value.

The result is NULL if the argument is NULL.

mysql> SELECT CRC32("sqle.ru");
+---------------------+
| CRC32("sqle.ru") |
+---------------------+
|            91442478 |
+---------------------+
1 row in set (0.00 sec)
mysql>
mysql>