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MD5()

Function description

MD5() function A widely used hash function to generate a 32-character hexadecimal MD5 hash of a string that converts an input message of any length into a 128-bit (16-byte) hash value, usually expressed as a 32-bit hexadecimal string. If the parameter is NULL, NULL is returned.

Function Syntax

> MD5(str)

Parameter definition

Parameters Description
str Required parameters. String to convert

Example

mysql> select md5("hello world");
+---------------------------------------+
| md5(hello world) |
+---------------------------------------+
| 5eb63bbbe01eeed093cb22bb8f5acdc3 |
+---------------------------------------+
1 row in set (0.00 sec)

mysql> select md5(null);
+---------------+
| md5(null) |
+---------------+
| NULL |
+---------------+
1 row in set (0.00 sec)