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MYSQL

LENGTH()


Description

The LENGTH( ) function returns the length of the string (str), which is measured in bytes. A string with multi-byte character counts as the multiple bytes, which means that the string containing five two-byte characters return 10, and CHAR_LENGTH ( ) returns 5.

This function has the form:

SELECT LENGTH(str)
Parameter Description
str A string

Return Value

The length of the string (str), which is measured in bytes. A string with multi-byte character counts as the multiple bytes, which means that the string containing five two-byte characters return 10, and CHAR_LENGTH ( ) returns 5.

Examples

The following example shows the basic use of this function:

mysql> SELECT LENGTH('text');
-> 4


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