SQL Tip | Identify Reverse Pairs | Self Join| SQL Scenario interview (Amazon Data Engineer)#sqltips

 DML Script:

CREATE TABLE ReverseNumbers ( A INT, B INT ) INSERT INTO ReverseNumbers VALUES (1,2), (2,1), (4,5), (5,4), (1,6), (6,2), (6,1) SELECT * FROM ReverseNumbers


Detailed explanation: https://youtu.be/n3MxK9ftRNo

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