what is self join and how it works??
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Answer / alok kumar samartha
The concept of joining a table with itself is called self
join or inner join.It works based on the provided join condition
example:-select e1.empno employee,e2.ename manager from emp
e1,emp e2 where e2.empno=e1.mgr;
| Is This Answer Correct ? | 3 Yes | 4 No |
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