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SQL Anywhere 10.0.1 » UltraLite - Database Management and Reference » UltraLite SQL Function Reference » Alphabetical list of functions

CHARINDEX function [String] Next Page

CHAR_LENGTH function [String]

Returns the number of characters in a string.


CHAR_LENGTH ( string-expression )


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


Trailing white space characters 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 value returned by the CHAR_LENGTH function may differ from the number of bytes returned by the BYTE_LENGTH function.


You can use the CHAR_LENGTH function and the LENGTH function interchangeably for CHAR, VARCHAR, and LONG VARCHAR data types. However, you must use the LENGTH function for BINARY and bit array data types.

See also
Standards and compatibility

The following statement returns the value 8.