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带限制条件的查询和表达式查询

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GuanM 2024-11-19 15:43:01 +08:00
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数据库/头歌/带限制条件的查询和表达式查询/带限制条件的查询和表达式查询.sh Normal file
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USE Mall
Go
SET NOCOUNT ON
---------- retrieving with limited ----------
-- ********** Begin ********** --
SELECT prod_name
FROM Products
WHERE prod_name LIKE '%toy%'
-- ********** End ********** --
GO
---------- retrieving with expression ----------
-- ********** Begin ********** --
SELECT prod_price, prod_price * 0.8 AS discount_price
FROM Products
WHERE prod_price > 3
-- ********** End ********** --
GO