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BYTE_LENGTH function [String]

Returns the number of bytes in a string.

BYTE_LENGTH( string-expression )

string-expression    The string whose length is to be calculated.

Trailing white space characters in the string-expression are included in the length returned.

The return value of a NULL string is NULL.

If the string is in a multibyte character set, the BYTE_LENGTH value may differ from the number of characters returned by CHAR_LENGTH.

This function supports NCHAR inputs and/or outputs.

• CHAR_LENGTH function [String]
• DATALENGTH function [System]
• LENGTH function [String]
• String functions

• SQL/2003    Vendor extension.

The following statement returns the value 12.

SELECT BYTE_LENGTH( 'Test Message' );