Interview Questions Answers in SQL PLSQL

anilkumar.p

{ City } hyderabad
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Question { 17227 }

how to find 5th row ?

Answer

select * from emp where rownum <=5 minus
select * from emp where rownum <5

Is This Answer Correct ?

1 Yes

0 No

Question { IBM, 27376 }

select top 3 sal from each dept?

Answer

select * from(select ename,deptno,sal from emp order by sal desc) where rownum<=3

Is This Answer Correct ?

0 Yes

1 No