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 Posted Thursday, May 8, 2014 8:24 AM
 SSC-Addicted Group: General Forum Members Last Login: Thursday, September 22, 2016 5:50 AM Points: 434, Visits: 1,403
 Hi,I have a table where I need to calculate Trend based on Week Type and Unit .CREATE TABLE #REport(TYPE VARCHAR(20),Unit VARCHAR(20),Forecast INT,Week INT,Trend NUMERIC(9,2))INSERT INTO #REport( TYPE, Unit, Forecast, Week, Trend )SELECT 'Net Revenue','XXX',0,1,0UNIONSELECT 'Net Revenue','XXX',0,2,0UNIONSELECT 'Net Revenue','XXX',0,3,0UNIONSELECT 'Net Revenue','XXX',0,4,0UNIONSELECT 'Net Revenue','XXX',105000,5,0UNIONSELECT 'Invest','XXX',0,1,0UNIONSELECT 'Invest','XXX',0,2,0UNIONSELECT 'Invest','XXX',0,3,0UNIONSELECT 'Invest','XXX',0,4,0UNIONSELECT 'Invest','XXX', 45951 ,5,0SELECT * FROM #REportDROP TABLE #REport--FOR every TYPE AND Unit, the trend should be calculated AS follows :--FOR Week 1 OF TYPE = 'Invest' and Unit = 'XXX'--Trend = 45951/MAX week number = 45951/5 = 9190.2--FOR Week 2 OF TYPE = 'Invest' and Unit = 'XXX'--Trend = 9190.2 + 45951/5 = 18380.4-- Trend of Week 1 + 45951/5--FOR Week 3 OF TYPE = 'Invest' and Unit = 'XXX'--Trend = 18380.4 + 45951/5 = 27570.6-- Trend of Week 2 + 45951/5--FOR Week 4 OF TYPE = 'Invest' and Unit = 'XXX'--Trend = 27570.6 + 45951/5 = 36760.8-- Trend of Week 3 + 45951/5--FOR Week 5 OF TYPE = 'Invest' and Unit = 'XXX'--Trend = 36760.8 + 45951/5 = 45951-- Trend of Week 4 + 45951/5Thanks,PSB
Post #1568920
 Posted Thursday, May 8, 2014 8:41 AM
 Hall of Fame Group: General Forum Members Last Login: Yesterday @ 10:45 PM Points: 3,314, Visits: 32,575
 just to be sure.....can you please provide the actual results you require based on your sample data......and not the calcs.ta. ______________________________________________________________you can lead a user to data....but you cannot make them think and remember....every day is a school day
Post #1568937
 Posted Thursday, May 8, 2014 8:49 AM
 SSC-Addicted Group: General Forum Members Last Login: Thursday, September 22, 2016 5:50 AM Points: 434, Visits: 1,403
 Desired result ..SELECT 'Invest' AS TYPE,'XXX' AS Unit,0 AS ForeCast,1 AS Week,9190.2 AS TrendUNIONSELECT 'Invest' AS Type,'XXX' AS Unit,0 AS ForeCast,2 AS Week,18380.4 AS TrendUNIONSELECT 'Invest' AS TYPE,'XXX' AS Unit,0 AS ForeCast,3 AS Week,27570.6 AS TrendUNIONSELECT 'Invest' AS Type,'XXX' AS Unit,0 AS ForeCast,4 AS Week,36760.8 AS TrendUNIONSELECT 'Invest' AS Type,'XXX' AS Unit, 45951 AS ForeCast,5 AS Week,45951 AS Trend
Post #1568943
 Posted Thursday, May 8, 2014 8:50 AM
 SSCrazy Eights Group: General Forum Members Last Login: 2 days ago @ 10:11 AM Points: 8,587, Visits: 18,753
 Otherwise you will get answers like this:`SELECT *, Trend = ([Week]/5.0) * MAX(Forecast) OVER(PARTITION BY [TYPE])FROM #REport`Which exactly meets your requirements (apart from the trivial matter of rounding) but is almost certainly incorrect. “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenExploring Recursive CTEs by Example Dwain Camps
Post #1568946
 Posted Thursday, May 8, 2014 9:04 AM
 Hall of Fame Group: General Forum Members Last Login: Yesterday @ 10:45 PM Points: 3,314, Visits: 32,575
 ChrisM@Work (5/8/2014)Otherwise you will get answers like this:`SELECT *, Trend = ([Week]/5.0) * MAX(Forecast) OVER(PARTITION BY [TYPE])FROM #REport`Which exactly meets your requirements (apart from the trivial matter of rounding) but is almost certainly incorrect.Chris ...your mind reading skills are quite extraordinary but have a suspicion that OP has oversimplified........we can wait and see ______________________________________________________________you can lead a user to data....but you cannot make them think and remember....every day is a school day
Post #1568952
 Posted Thursday, May 8, 2014 9:22 AM
 SSCrazy Eights Group: General Forum Members Last Login: 2 days ago @ 10:11 AM Points: 8,587, Visits: 18,753
 J Livingston SQL (5/8/2014)ChrisM@Work (5/8/2014)Otherwise you will get answers like this:`SELECT *, Trend = ([Week]/5.0) * MAX(Forecast) OVER(PARTITION BY [TYPE])FROM #REport`Which exactly meets your requirements (apart from the trivial matter of rounding) but is almost certainly incorrect.Chris ...your mind reading skills are quite extraordinary but have a suspicion that OP has oversimplified........we can wait and seeJ Livingstone - you give me way too much credit for a Wild Guess “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenExploring Recursive CTEs by Example Dwain Camps
Post #1568975
 Posted Thursday, May 8, 2014 11:17 AM
 SSC-Addicted Group: General Forum Members Last Login: Thursday, September 22, 2016 5:50 AM Points: 434, Visits: 1,403
 Thanks for the solution! it works perfectly .
Post #1569036

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