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|Database - Interview Questions and Answers for 'Impetus technologies' - 1 question(s) found - Order By Newest|
|Ans. When a Table Join itself , it's a Self Join. For example - we like to know the pair of department names where first dept has lesser employees than the later.|
Select D1.name , D2.name from Dept D1, Dept D2 where D1.employee_count < D2.employee_count
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|Like Discuss Correct / Improve  sql  joins  self join  self-join  Pair of employee names with first having lesser salary than later  Pair of department names where first dept has lesser employees than the later Asked in 26 Companies basic   frequent|
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