select sal from emp group by sal

Question Posted / sravani

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select sal from emp group by sal..

Answer / shiva

select sal from emp group by sal;
this query group the same salary.Suppose the table contains 30
records in that same sal is 3 times repeating by using above
query it will fetch only 27 rows of sal.So it wont give the duplicate sal.

Is This Answer Correct ?

14 Yes

3 No

select sal from emp group by sal..

Answer / pankajsharma

it will fetch all the salaries one tme in case of duplicacy

Is This Answer Correct ?

3 Yes

1 No

select sal from emp group by sal..

Answer / arun karthick

select sal from emp group by sal; and select distinct sal
from emp ;
Both queries will give the same result - fetch the salary
in emp table without duplicates.

Is This Answer Correct ?

1 Yes

0 No

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