Interview Question for Front-end Software Engineers


Country: India
Interview Type: Written Test




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0
of 0 vote

select Sal from Employees where City='DEL' or City='MUM' group by Sal order by Sal desc limit 2;

- xixihaha December 20, 2013 | Flag Reply
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0
of 0 votes

This code is correct for MySQL Database.. :)

- Ishaan_One January 18, 2014 | Flag
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0
of 0 vote

or

select distinct Sal from Employees where City='DEL' or City='MUM' order by Sal desc limit 2;

- xixihaha December 20, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

for sql server:

SELECT TOP 2 e.Sal
FROM Employees e
WHERE
(e.City = 'DEL' or e.City = 'MUM')
order by e.Sal
;

other databases don't have TOP so you use limit after ordering by the respective attribute.

- AsteroidXVI December 20, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
-2
of 2 votes

Some neither have top nor limit ;)

- thelineofcode December 20, 2013 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

SELECT

MAX(
IF(
SAL = MAX(SELECT MAX(Sal) FROM Emp WHERE City='DEL' or City='MUM'),
0,
SAL
)
FROM Emp WHERE City='DEL' or City='MUM'

- Anonymous December 21, 2013 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

SELECT 

MAX( 
    IF( 
         Sal = (SELECT MAX(Sal) FROM Emp WHERE City='DEL' or City='MUM'), 
         0, 
         Sal 
    )
) 
FROM Emp WHERE City='DEL' or City='MUM'

- deepak.bvp December 21, 2013 | Flag Reply


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