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count query help

Author

Topic

sqldba2k6
Posting Yak Master

176 Posts

Posted - 2007-06-26 : 15:31:59

Please help me in writing the query to get the desired output.

Table:

Column1 Column2
------- -------
250 5
254 6
255 6

Output:

Desc Count
---- -----
Test5 1
Test6 2
Test1 0
Test2 0
Test3 0

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2007-06-26 : 15:36:31

Do you have a table that has the list of Testn values?

Tara Kizer
http://weblogs.sqlteam.com/tarad/

sqldba2k6
Posting Yak Master

176 Posts

Posted - 2007-06-26 : 15:57:41

No I dont have table for testvalues

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2007-06-26 : 15:59:10

Then how would you know which values should show 0 for Count?

Tara Kizer
http://weblogs.sqlteam.com/tarad/

sqldba2k6
Posting Yak Master

176 Posts

Posted - 2007-06-26 : 16:34:32

DECLARE @MT TABLE

(

TNO Int,

TID Int,

Dt datetime

)

INSERT INTO @MT (TNO, TID,dt)

(
Select '256' , '5','5-4-2007'
Union All
Select '257', '5','5-4-2007'
Union All
Select '258', '6','6-4-2007'
Union All
Select '259', '7','7-4-2007'
)

DECLARE @HIFRAP TABLE

(

TID Int,

DSCRPTR VARCHAR(50)

)

INSERT INTO @HIFRAP (TID, DSCRPTR)

(
Select '5' , 'Test5'
Union All
Select '6', 'Test6'
Union All
Select '7', 'Test7'
Union All
Select '8', 'Test8'
)

select B.DSCRPTR as DESCR ,Count(A.TID) as Count from @MT A Right outer join @HIFRAP B
on A.TID=B.TID where A.dt between '5-4-2007' and '5-4-2007'
Group by B.DSCRPTR

With the above query i got the below output

DESCR Count
----- -----
Test5 2

I want the output:

DESCR Count
----- -----
Test5 2
Test6 0
Test7 0
Test8 0

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2007-06-26 : 17:12:22

So your table does contain the data, unlike what your second post said.

Next time, please be very clear on what you want.

This provides the expected output:


select DISTINCT B.DSCRPTR as DESCR, Count = CASE WHEN Count IS NULL THEN 0 ELSE Count END
from @HIFRAP B
left outer join
(
	select B.DSCRPTR as DESCR ,Count(A.TID) as Count 
	from @HIFRAP B
	left outer join @MT A
	on A.TID=B.TID 
	where A.dt between '5-4-2007' and '5-4-2007'
	Group by B.DSCRPTR
) t
on b.DSCRPTR = t.DESCR

Tara Kizer
http://weblogs.sqlteam.com/tarad/

sqldba2k6
Posting Yak Master

176 Posts

Posted - 2007-06-26 : 21:30:49

Thanks Tara Kizer!

Sorry for the confusion..
There is no table for the value description codes of 5,6,7,8 in the database.Since it was not being stored or there is no master table.
As per code book we know the value desc since it needs to hardcode if based on the value codes.There are only 4 vaules codes (5,6,7,8)being stored in the transaction table.

How can we modify the query if value code is 5 then desc test5,
6 test6,
7 test7,
8 test8

DESCR Count
----- -----
Test5 2
Test6 0
Test7 0
Test8 0

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2007-06-27 : 13:19:52

I don't understand your new problem. The solution that I provided shows the exact output that you want, so I don't understand what part isn't working. Please provide new sample data that illustrates your issue.

Tara Kizer
http://weblogs.sqlteam.com/tarad/

sqldba2k6
Posting Yak Master

176 Posts

Posted - 2007-06-27 : 21:45:51

Thanks !!
I got the desired output with your query...

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