Chapter 4: SQL Language Elements
4.9.2.43 LENGTH function (ODBC compatible)
Syntax
LENGTH ( char_expression )
Description
The scalar function LENGTH returns the string length of the value of the given character expression.
Example
SELECT name 'LONG NAME'
FROM customer
WHERE LENGTH (name) > 5 ;
Notes
- The argument to the function must be of type CHARACTER or VARCHAR.
- The result is of type INTEGER.
- If the argument expression evaluates to null, the result is null.