31 lines
980 B
SQL
31 lines
980 B
SQL
select * from members where m_address like '%湖南%';
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select p_no, SUM(o_quantity) as total_quantity
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from orders group by p_no
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having SUM(o_quantity) > 5
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order by total_quantity desc;
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select m_account,p_no from orders where p_no in (select p_no from orders where m_account = 'Wangym') and m_account != 'Wangym';
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create view View1 as
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select * from members
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where m_account in (select m_account from orders where p_no = '102');
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insert into View1 values ('fengx','冯向','男','北京',5000,'fx');
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select m.*, o.o_quantity, o.o_date, o.p_no
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from members m
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left join orders o on m.m_account = o.m_account;
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update members
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set m_password = 'liu'
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where m_account = 'liuzc';
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insert into members values ('liuzc','翁红','男','湖南株洲','5500','123');
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alter table members add constraint m_sex_check check (m_sex in('男','女'));
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insert into members values ('liuzh','刘忠怀','工','湖南株洲',3000,'liuzh');
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insert into orders values ('Zhou','101',1, '2017-8-9');
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