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SQL Anywhere 11.0.0 » SQL Anywhere Server - SQL Reference » Using SQL » SQL functions » Alphabetical list of functions


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.

See also
Standards and compatibility
  • SQL/2003   Vendor extension.


The following statement returns the value 12.

SELECT BYTE_LENGTH( 'Test Message' );