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04.29.2008 at 12:05PM PDT, ID: 23363209

	[x] Attachment Details

Combine SQL Statements

[x]

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6.4

Zone:

MS SQL Server

Tags:

Microsoft, SQL Server, 2000

I have query #1 that returns one column of dates. And I have query #2 which returns 3 columns - item, date, and Qty. That query #2 returns those values for some dates and not for others. I need to combine the queries so that my new combined query will return every item in #2, and for every item will return a row for EVERY date in Q#1 and the value returned will be the value for that date from Query #2, and if there is no value in Query #2 for that particular date, then the value returned would be the same value as the previous day in Query #1 (which may not always be the previous calendar day - as it excludes weekends).

See attached SQL and sample data in the attached XLS file

         
           
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             Query #1:
 
SELECT     TOP 100 PERCENT DateFull
FROM         dbo.tsi_view_DateLookup
WHERE     (DateFull BETWEEN CONVERT(DATETIME, '2007-01-01 00:00:00', 102) AND CONVERT(DATETIME, '2008-12-31 00:00:00', 102)) AND 
                      (NOT (WeekDayName LIKE 'S%'))
ORDER BY DateFull
 
 
Query #2:
 
SELECT DISTINCT 
                      TOP 100 PERCENT item_id, CAST(CONVERT(varchar(10), trans_date, 101) AS datetime) AS [Date], quantity + on_hand_before_trans AS QtyOnHand
FROM         dbo.p21_view_inv_tran
WHERE     (trans_date IN
                          (SELECT     MAX(trans_date)
                            FROM          dbo.p21_view_inv_tran
                            GROUP BY item_id, CAST(CONVERT(varchar(10), trans_date, 101) AS datetime)))
ORDER BY item_id, CAST(CONVERT(varchar(10), trans_date, 101) AS datetime)

           
         

Attachments:

Sample.xls (20 KB) (File Type Details)

Sample Data

#	Title
1	How can I exclude weekends and holid…
2	TIME DIFFERENCE EXCLUDING WEEKEN…
3	Exclude Weekends and Holidays
4	Getting a Date and Skipping Weekends
5	If Date is a weekend - make it a week…
6	Exclude weekends