DATALENGTH
A function that returns the number of characters in an expression.
Synopsis
DATALENGTH(expression)
Arguments
| Argument | Description |
|---|---|
| expression | An expression, which can be the name of a column, a string literal, or the result of another scalar function. The underlying data type can be a character type (such as CHAR or VARCHAR), a numeric, or a data stream. |
Description
Note:
The DATALENGTH, CHAR_LENGTH, and CHARACTER_LENGTH functions are identical. Use of the CHAR_LENGTH function is recommended for new code. DATALENGTH is provided for TSQL compatibility. Refer to CHAR_LENGTH for further details.
See Also
CHAR_LENGTH function
CHARACTER_LENGTH function