42 lines
1.6 KiB
SQL
42 lines
1.6 KiB
SQL
create database eshop4490;
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create table members(
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m_account varchar(20) primary key,
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m_name varchar(20),
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m_sex varchar(2),
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m_address varchar(50),
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m_salary money,
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m_password varchar(20)
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);
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create table products(
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p_no char(10) primary key,
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p_name varchar(30),
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p_quantity int,
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p_price money,
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p_information varchar(50)
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);
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create table orders(
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m_account varchar(20) references members(m_account),
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p_no char(10) references products(p_no),
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o_quantity int,
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o_date date,
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primary key (m_account,p_no)
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);
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insert into members values ('jin', '刘津', '女', '北京', 8200, 'jin'),
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('lfz', '刘法制', '男', '天津', 4500, 'lfz'),
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('jinjin', '津津', '女', '北京', 8200, 'jin'),
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('liuzc', '刘志成', '男', '湖南株洲', 3500,'liuzc'),
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('Wangym', '王咏梅', '女', '湖南长沙', 4000, 'wangym');
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insert into products values ('101', '香皂', 22, 6, '清洁用品'),
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('102', '牙刷', 10, 20, '价廉物美'),
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('103', 'MP3', 100, 450, '电子产品'),
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('104', '毛巾', 10,15, '价廉物美');
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insert into orders values ('lfz', '101', 5, '2017-8-9'),
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('Wangym', '101',9, '2017-6-6'),
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('jinjin', '102', 6, '2017-6-6'),
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('liuzc', '102', 4, '2017-8-9'),
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('Wangym', '103', 7, '2017-8-9'),
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('jinjin', '103', 6, '2017-8-9');
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update members set m_salary = m_salary * 1.2 WHERE m_sex = '女' and m_address ='北京';
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