LENGTH

Description

Returns the number of bytes in a string.

Syntax

LENGTH ( <str> )

Parameters

Parameter	Description
<str>	The string whose bytes need to be calculated

Return Value

The number of bytes in the string <str>.

Example

SELECT LENGTH("abc"),length("中国")

+---------------+------------------+
| length('abc') | length('中国')   |
+---------------+------------------+
|             3 |                2 |
+---------------+------------------+