What Happens If NULL Values Are Involved in Arithmetic Operations?
Submitted by: AdministratorIf NULL values are involved in arithmetic operations, the result will be numeric NULL values. The following tutorial script shows you some good examples:
SELECT 7+NULL;
GO
-----------
NULL
SELECT 10.02*NULL;
GO
-----------
NULL
SELECT 4.988E+10/NULL;
GO
-----------
NULL
Submitted by: Administrator
SELECT 7+NULL;
GO
-----------
NULL
SELECT 10.02*NULL;
GO
-----------
NULL
SELECT 4.988E+10/NULL;
GO
-----------
NULL
Submitted by: Administrator
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