-3
我感到困惑SELECT CAST（number1 AS REAL）/ number3;
SELECT CAST(number1 AS REAL)/number3;
這我沒有〔實施例來指代。任何人都可以向我解釋這一點？
A
回答
0
你可以在這裏讀到投/轉換（這也與谷歌短搜索「劇組MS SQL」中找到）： https://msdn.microsoft.com/en-us/library/ms187928.aspx
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CAST的值轉換爲指定的數據類型（例如實時）。 – jarlh