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SQL statement that will perform a daily sum aggregation my last chance


SQL statement that will perform a daily sum aggregation my last chance

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engstevo
engstevo
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a SQL statement that will perform a daily sum aggregation on the field cost. It must only use costs that are associated with the follow items: Z001, Z002. The cost must also only come from division 1. Below is the example table that you will be retrieving data from:

Costs
• Receipt
• Date
• Item
• Reason
• Division
• Cost

I have tried this :

use STEVENTEST
go
CREATE FUNCTION Daily_Cost1
(

@item varchar , @Division nchar
)
RETURNS money
AS
BEGIN

DECLARE @daily_cost money
DECLARE @Cost_date date

set @Cost_date = GETDATE ()


if
@item = 'Z001' OR @item ='Z002'

SELECT @daily_cost = SUM(cost) from Cost

where @Cost_date =@Cost_date

RETURN @daily_cost

END
GO
Stuart Davies
Stuart Davies
SSCertifiable
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Points: 5289 Visits: 4688
Is this homework or a real life problem?

-------------------------------
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engstevo
engstevo
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it's my test for BI position ,It's a real problem
ChrisM@Work
ChrisM@Work
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engstevo (7/3/2013)
it's my test for BI position ,It's a real problem


It's SQL Server 101, and I'm surprised that the tests for a BI position can be this simple. If you cannot work at this level of simplicity, then you may wish to consider studying for a little longer before applying again. Real world BI problems and their solutions are unlikely to be within your capabilities at this time.

“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden
Exploring Recursive CTEs by Example Dwain Camps
Jason-299789
Jason-299789
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Group: General Forum Members
Points: 2079 Visits: 3232
Is this a test that you are setting up?

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