I have a table as follows.
p1 f1 p1 f2 p2 f1 p2 f3 p3 f1 p4 f1 p4 f2
I need to get all the people (PersonId) who have exactly (f1 and f2) as friends. What would be a good sql for this? In the above case, the answer would be
Person Id p1 p4
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