ISNULL()
From Recital Documentation Wiki
Revision as of 16:44, 2 December 2009 by Helengeorge (Talk | contribs)
Purpose
Function to test if an expression evaluates to NULL
Syntax
ISNULL(<expr>)
See Also
EMPTY(), ISALPHA(), ISBLANK(), ISDIGIT(), NVL(), SET NULL, SET NULLDISPLAY
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 Server, Recital
