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Aug 21, 2010 ... ... us see some of the best online courses on data science. Course ... So what next? Let's search for the top data science programs that ...
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I created a new sequence in SQL Server 2022 with this code.
CREATE SEQUENCE myseqtest START WITH 1 INCREMENT BY 1; GOI want to use this to insert some data from another table into a new table with this sequence. Which of these queries shows the way to do this efficiently?
-- 1 INSERT dbo.NewMonthSales (SaleID, saleyear, salemonth, currSales) SELECT NEXT VALUE FOR myseqtest , ms.saleyear , ms.salemonth , ms.currMonthSales FROM dbo.MonthSales AS ms; GO -- 2 INSERT dbo.NewMonthSales (SaleID, saleyear, salemonth, currSales) SELECT NEXT VALUE , ms.saleyear , ms.salemonth , ms.currMonthSales FROM dbo.MonthSales AS ms, myseqtest; GO --3 DECLARE mycurs CURSOR FOR SELECT ms.saleyear , ms.salemonth , ms.currMonthSales FROM dbo.MonthSales AS ms DECLARE @yr INT, @mn INT, @sales NUMERIC(10,2) FETCH NEXT FROM mycurs INTO @yr, @mn, @sales WHILE @@FETCH_STATUS = 0 BEGIN INSERT dbo.NewMonthSales (SaleID, saleyear, salemonth, currSales) SELECT NEXT VALUE FOR myseqtest , @yr , @mn , @sales FETCH NEXT FROM mycurs INTO @yr, @mn, @sales ENDSee possible answers