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Developer-C 11.1
3.0
4.0
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5.5
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10
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3.27
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AdventureWorks
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CREATE TABLE A ( KeyFieldA int identity(1,1), Code varchar(30), AnotherField int, Nature varchar(50) ); CREATE TABLE B ( KeyFieldB int identity(1,1), Code varchar(30), YesNoField bit, Nature varchar(50) ); INSERT INTO A (Code, AnotherField, Nature) VALUES('o', 2, 'y'), ('x', 3, 'y'), ('c', 5, 'a'); INSERT INTO B (Code, YesNoField, Nature) VALUES('a', 0, 'b'), ('c', 1, 'd'), ('x', 0, 'y');
6 rows affected
SELECT a.* FROM A a WHERE NOT EXISTS ( SELECT b.* FROM B b WHERE b.code = a.code AND b.Nature = a.Nature )
KeyFieldA
Code
AnotherField
Nature
1
o
2
y
3
c
5
a