Conversion Function (conversion_function)
A conversion function (conversion_function
) is a function that converts a value from one data type to another.
Syntax
<conversion_function> ::=
CHAR(<expression>[,<datetimeformat>])
| CHR(<expression>[,<unsigned_integer>])
| HEX(<expression>)
| HEXTORAW(<expression>)
| INTTORAW(<expression>)
| NUM(<expression>)