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Calculates an MD5 128-bit checksum for the string.

The return value is a 32-hex digit string, and as of MariaDB 5.5, is a nonbinary string in the connection character set and collation, determined by the values of the character_set_connection and collation_connection system variables. Before 5.5, the return value was a binary string.

NULL is returned if the argument was NULL.


SELECT MD5('testing');
| MD5('testing')                   |
| ae2b1fca515949e5d54fb22b8ed95575 |


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