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SUM() 函数的使用

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GuanM 2024-11-19 15:21:51 +08:00
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数据库/头歌/SUM() 函数的使用/1. SUM() 函数的使用.sh Normal file
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USE Mall
GO
SET NOCOUNT ON
------ return the amount of all products ------
-- ********** Begin ********** --
SELECT SUM(prod_price * quantity) as amount
FROM Products
-- ********** End ********** --
GO