| Name | Description |
| AES_DECRYPT() | Decrypt using AES |
| AES_ENCRYPT() | Encrypt using AES |
| COMPRESS() | Return result as a binary string |
| DECODE() | Decodes a string encrypted using ENCODE() |
| DES_DECRYPT() | Decrypt a string |
| DES_ENCRYPT() | Decrypt a string |
| ENCODE() | Encode a string |
| ENCRYPT() | Encrypt a string |
| MD5() | Calculate MD5 checksum |
| OLD_PASSWORD() | Return the value of the old (pre-4.1) implementation of PASSWORD |
| PASSWORD() | Calculate and return a password string |
| SHA1(), SHA() | Calculate an SHA-1 160-bit checksum |
| UNCOMPRESS() | Uncompress a string compressed |
| UNCOMPRESSED_LENGTH() | Return the length of a string before compression |