ISNULL()
From Recital Documentation Wiki
Revision as of 12:28, 23 March 2009 by Yvonnemilne (Talk | contribs)
Class
Expressions and Type Conversion
Purpose
Function to test if an expression evaluates to NULL
Syntax
ISNULL(<expr>)
See Also
EMPTY(), ISALPHA(), ISBLANK(), ISDIGIT()
Description
The ISNULL() function will return True (.T.) if the specified expression, <expr> is NULL otherwise False (.F.).
Example
select account_no, isnull(last_name) from customer;
Products
Recital Database Server, Recital Mirage Server, Recital Terminal Developer
