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 / smita
select a.empno, a.empname from education a,
(select empno, count(*) cnt from education group by empno
having count(*) > 1) b
where a.empno = b.empno
is the correct answer
| Is This Answer Correct ? | 12 Yes | 5 No |
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