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michaelb
Yak Posting Veteran
69 Posts |
 Posted - 2008-06-23 : 02:19:43
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| Hi,I'm writing a query that will be calculating a number of business performance measures including the following...Average Stock:This is calculated by taking the actual stock value of the product category per month and dividing it by 13 if we have over 12 month's history, or if a new product, then by the number of months we have had it in stock for.Cost of Goods Sold Annualised:This is an average figure for the year of the sold landed costs for the product category over a 13 month period if we have over 12 months history. If it's a new product, then it's for the number of months we have had stock.My question is, how do I tell the query to go back 13 months from the current month? |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2008-06-23 : 02:31:50
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http://weblogs.sqlteam.com/jeffs/archive/2008/05/13/question-needed-not-answer.aspxSELECT DATEADD(MONTH, -13, GETDATE())
E 12°55'05.25"N 56°04'39.16" |
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rolling 13 months in query