How to retrieve Duplicate Rows only in a Table?
Suppose if a Table Name is "Education". It consists of
multiple columns. Then if we insert rows into this table
with duplicate records then how can we retrieve only
duplicate records from that table?
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Answer Posted / lakshmi narayana
select * from emp a ,
(select empno,count(*) from emp group by empno having count
(*) > 1) b
where a.empno = b.empno
| Is This Answer Correct ? | 27 Yes | 10 No |
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