Need help in SQL query

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sir. i have a sql query:

select
case when [P/A]='P' then Count([P/A]) end as 'P',
case when [P/A]='A' then Count([P/A]) end as 'A',
case when [P/A]='L' then Count([P/A]) end as 'L',EmpID
from attendence
where attendence.dated between '01/Feb/2016' and '28/Feb/2016' and empid=909 group by Empid,[P/A]

It show result like :-

[P] -- [A] -- [L] --[Empid]

C++

NULL --	3	-- NULL --	909
NULL --	NULL	-- 1	--      909
12   --	NULL	-- NULL	--      909

but i need Result like:-

[P] -- [A] -- [L] --[Empid]
12 -- 3 -- 1 -- 909

What I have tried:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Posted 21-May-16 1:36am

TCS54321

Updated 21-May-16 2:14am

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Richard MacCutchan 21-May-16 7:51am

So you tried screaming "aaaaaa"; what happened then?

Karthik_Mahalingam 21-May-16 7:52am

:)

TCS54321 21-May-16 7:55am

my question not save without writing 30 words in what i have tried. its complicated to write what i have tried. thats why i am just typing this. u have any solution of my problem??

Karthik_Mahalingam 21-May-16 8:02am

check out the solution and let me know if it helps

2 solutions

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Karthik_Mahalingam · Accepted Answer · 2016-05-21T01:58:00

Solution 1

try this

SQL

 with T as (
select  
empid,
case when [P/A]='P' then 1 end as 'P',
case when [P/A]='A' then 1 end as 'A',
case when [P/A]='L' then 1 end as 'L' 
from attendance   where empid = 909 )
select sum(P) as P, sum(A) as A, sum(L) as L,empid  from T group by empid

Posted 21-May-16 1:58am

Karthik_Mahalingam

Comments

TCS54321 21-May-16 8:01am

thanku sir.. its work for me..

Karthik_Mahalingam 21-May-16 8:02am

welcome

Peter Leow · Accepted Answer · 2016-05-21T02:14:00

Solution 2

What you need is PIVOT[^]
Adapt this example:

SELECT empid, [P],[A],[L] FROM
(SELECT empid, [P/A]  FROM attendance) as src
PIVOT
(
   COUNT([P/A]) FOR [P/A] IN ([P],[A],[L])
) AS output

Posted 21-May-16 2:14am

Peter Leow

Comments

Karthik_Mahalingam 21-May-16 8:33am

5,works fine. much simpler. but i dont know pivot :)

Peter Leow 21-May-16 8:44am

Thank you, KARTHIK. Yours works too. 5!