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MY SOLUTION select distinct f1.x,f1.y from functions f1 join functions f2 on(f1.y=f2.x) where f2.y=f1.x order by f1.x;
Can anyone tell why its not working?
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You are viewing a single comment's thread. Return to all comments →
MY SOLUTION select distinct f1.x,f1.y from functions f1 join functions f2 on(f1.y=f2.x) where f2.y=f1.x order by f1.x;
Can anyone tell why its not working?