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create table mytable ( Col1 varchar(10), Col2 varchar(10), Group_ int ); insert into mytable values ('A', 'B' , 100), ('A', 'B' , 200), ('A', 'C' , 100), ('A', 'D' , 200);
4 rows affected
select t.* from mytable t left join ( select Col1, Col2 from mytable where Group_ <> 200 ) as s on t.Col1 = s.Col1 and t.Col2 = s.Col2 where Group_ = 200 and s.Col1 is null
Col1
Col2
Group_
A
D
200