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 SQL server roll-up function help
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Posted on 05-03-10 3:36 PM     Reply [Subscribe]
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Hi, trying to do this in SQL server…

I want to count how many records I have in each category(Temp and Perm). I need to use rollup function but I am getting errors. 

This is my base table..


Last edited: 03-May-10 03:37 PM

 
Posted on 05-03-10 3:37 PM     Reply [Subscribe]
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My result should look something like this


Last edited: 04-May-10 08:51 AM

 
Posted on 05-03-10 3:44 PM     Reply [Subscribe]
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I am not into SQL now, but based on what I learned from school, I think it is:

Select Category, sum (Category) as Subtotal from mytable group by Category;
(don't know if keyword as should be there or not for MS SQL)

Isn't it that easy ?




Last edited: 03-May-10 03:44 PM

 
Posted on 05-03-10 3:44 PM     Reply [Subscribe]
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Here's an example. This should help.


Table:



Item Color Quantity
-------------------- -------------------- --------------------------
Table Blue 124
Table Red 223
Chair Blue 101
Chair Red 210

This query generates a subtotal report:





SELECT CASE WHEN (GROUPING(Item) = 1) THEN 'ALL'
            ELSE ISNULL(Item, 'UNKNOWN')
       END AS Item,
       CASE WHEN (GROUPING(Color) = 1) THEN 'ALL'
            ELSE ISNULL(Color, 'UNKNOWN')
       END AS Color,
       SUM(Quantity) AS QtySum
FROM Inventory
GROUP BY Item, Color WITH ROLLUP

Item                 Color                QtySum                    
-------------------- -------------------- --------------------------
Chair                Blue                 101.00                    
Chair                Red                  210.00                    
Chair                ALL                  311.00                    
Table                Blue                 124.00                    
Table                Red                  223.00                    
Table                ALL                  347.00                    
ALL                  ALL                  658.00                    

(7 row(s) affected)

 
Posted on 05-03-10 3:51 PM     Reply [Subscribe]
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newlynew, i looked into that, it didnt help me. My category is not a number, it is a string so I cant use Sum function here directly

khairey, i cannot use sum aggregate on nvarchar data type. we have to count the temp/perm values  use a rollup function here on category. I am not sure how
Last edited: 03-May-10 03:52 PM

 
Posted on 05-03-10 4:39 PM     Reply [Subscribe]
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In Oracle,
SELECT … GROUP BY ROLLUP(grouping_column_reference_list)



 
Posted on 05-03-10 5:02 PM     Reply [Subscribe]
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Use for or while loop to convert each string into integer and add them up
isn't that simple,

 
Posted on 05-03-10 5:12 PM     Reply [Subscribe]
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by the way i am talking about php programming language

 
Posted on 05-03-10 7:43 PM     Reply [Subscribe]
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oracle has diff syntax than sql server.


Last edited: 03-May-10 07:43 PM

 
Posted on 05-03-10 9:24 PM     Reply [Subscribe]
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Refer to the following, this may help you :

http://chiragrdarji.wordpress.com/2008/09/09/group-by-cube-rollup-and-sql-server-2005/
http://blog.sqlauthority.com/2010/02/24/sql-server-introduction-to-rollup-clause/


 
Posted on 05-03-10 9:49 PM     Reply [Subscribe]
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Try this out the_hareeb.


select ID,name,Category, SUM(Children)as Total_Children


from myBaseTable


group by ID,name,Category with rollup

 

here is another one that gives you exactly what you wanted:

Select Id, Name, Category=Case when ig=1 then 'SUBTOTAL' else Category end, Children

FROM

(

Select

Id, Name, Category, Children=Sum(Children),

ig=Grouping(Id), ng=Grouping(Name), cg=Grouping(Category)

From myBaseTable

Group by rollup (category,Id,Name)

) Grouped

Where ng = ig and cg <> 1


Thanks!

Last edited: 03-May-10 10:19 PM

 
Posted on 05-03-10 11:24 PM     Reply [Subscribe]
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my bad, how can I make sum on category  when it is nvarchar!!! :) I should have used count :)


select category, count(category) as CategoryTotal , sum (children) as SubTotal from mytable group by category;

----
assuming children is integer. Does it work? If not, what does it actually result?


 
Posted on 05-04-10 1:33 AM     Reply [Subscribe]
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cg <> 1,
Nepal_ sach, can you explain me why you wrote,
cg <> 1
Sorry this condition is never true

 
Posted on 05-04-10 8:42 AM     Reply [Subscribe]
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Guys, my question was something different. I want how many are temporary and how many are permmant as my subtotals. not the number of children. sorry for the confusion.
 
Posted on 05-04-10 8:51 AM     Reply [Subscribe]
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this is what I want for my output

 
Posted on 05-04-10 11:15 AM     Reply [Subscribe]
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This is a SQL display issue. If u want the results exactly the way you have posted then .....rollup will not be a help. It cannot display results the way you have posted.


If u want that way. create temp tbls and do union to the result sets.


 
Posted on 05-04-10 11:26 AM     Reply [Subscribe]
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If something like this works then use the following query. I am not sure if it works in SqlServer.
Try to go through Analytical Functions, it will make jobs like this a lot easier. Thanks.



select id,name,
category,count(*) over (partition by category ) categroy_total_count,
children
from test1
order by id;


 
Posted on 05-04-10 11:58 AM     Reply [Subscribe]
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go
create table #hareeb
(ID varchar(10),
Name varchar(20),
Category varchar(10),
children int)


go


insert into #hareeb values (1,'John','Temp','2')
insert into #hareeb values (2,'Mary','Temp','4')
insert into #hareeb values (3,'Cindy','Temp','1')
insert into #hareeb values (4,'Yomesh','Perm','2')
insert into #hareeb values (5,'Yogesh','Perm','2')


 


go



select * from #hareeb where Category = 'Temp'
union
select '3SubTot = '+cast(a.SubTotal as varchar(2)),'--','--',null from
(
select name,category,COUNT(category) as SubTotal from #hareeb group by rollup(Category,Name) 
) as a where a.Category = 'Temp' and Name is null



union


select * from #hareeb where Category = 'Perm'
union
select '6SubTot = '+cast(a.SubTotal as varchar(2)),'--','--',null from
(
select name,category,COUNT(category) as SubTotal from #hareeb group by rollup(Category,Name) 
) as a where a.Category = 'Perm' and Name is null


 
Posted on 05-04-10 2:05 PM     Reply [Subscribe]
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guys thank you very much for all your help. I appreciate all your time. I have found a work-around.



 


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