HBNU-School/数据库/头歌/数据的查询/2. 带限制条件的查询和表达式查询.sh
2024-11-19 15:11:33 +08:00

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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;
-- ********** End ********** --
GO