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# Hash functions


## [CITYHASH64](CITYHASH64.md)

**Syntax:**`CITYHASH64( value )`

Returns the CityHash64 hash of `value` as an integer.



## [INTHASH64](INTHASH64.md)

**Syntax:**`INTHASH64( value )`

Returns the 64-bit hash of the integer `value`.



## [MD5](MD5.md)

**Syntax:**`MD5( value )`

Returns the MD5 hash of `value` as a hexadecimal string.



## [MURMURHASH2_64](MURMURHASH2_64.md)

**Syntax:**`MURMURHASH2_64( value )`

Returns the MurmurHash2 64-bit hash of `value` as an integer.



## [SHA1](SHA1.md)

**Syntax:**`SHA1( value )`

Returns the SHA-1 hash of `value` as a hexadecimal string.



## [SHA256](SHA256.md)

**Syntax:**`SHA256( value )`

Returns the SHA-256 hash of `value` as a hexadecimal string.



## [SIPHASH64](SIPHASH64.md)

**Syntax:**`SIPHASH64( value )`

Returns the SipHash64 hash of `value` as an integer.