题目
有如下两张表 TBooks 表:
TOrders 表:
编写一个SQL查询,要求去年销售少于10本的书籍,不包括从今天起1个月内可供使用的书籍。假设今天是2019-06-23。
结果表:
来源:Leecode
测试数据
CREATE TABLE TBooks
(
BOOK_ID INT,
NAME VARCHAR(50),
AVAILABLE_FROM DATE
)
INSERT INTO TBooks VALUES
(1,'Kalia And Demna','2010-01-01'),
(2,'28 Letters','2012-05-12'),
(3,'The Hobbit','2019-06-10'),
(4,'13 Reasons Why','2019-06-01'),
(5,'The Hunger Games','2008-09-21')
CREATE TABLE TOrders
(
ORDER_ID INT,
BOOK_ID INT,
QUANTITY INT,
DISPATCH_DATE DATE
)
INSERT INTO TOrders VALUES
(1,1,2,'2018-07-26'),
(2,1,1,'2018-11-05'),
(3,3,8,'2019-06-11'),
(4,4,6,'2019-06-05'),
(5,4,5,'2019-06-20'),
(6,5,9,'2009-02-02'),
(7,5,8,'2010-04-13')
参考答案