There are a number of math functions in T-SQL. Here are a few of them:
SELECT SQRT(49) --Gives 7, Square RootSELECT PI() --Gives 3.14 .... PISELECT ROUND(15.30, 0) --Gives 15. Rounds a numberSELECT CEILING(49.32) --Gives 50. Finds the next highest Integer valueSELECT FLOOR(49.32) --Gives 49. Finds the next lowest Integer value
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