📄 sql server 2000
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--第十章--创建和使用视图
--创建一个视图,其中仅包括sort,truename,sex,province四个字段:
CREATE VIEW member_view_col
AS
SELECT sort, truename, sex , province
FROM member
--视图将仅仅显示id>2000的记录
CREATE VIEW member_view_row
AS
SELECT *
FROM member
Where id > 2000
--把company和chanpin表合并成一个虚拟表:
CREATE VIEW chanpin_company_view
AS
SELECT company.manager,chanpin.leibie
FROM company,chanpin
WHERE company.id = chanpin.qiyeid
GROUP BY company.manage,chanpin.leibie
--察看所有用户的计分总额:
CREATE VIEW sum_jifen_view
AS
SELECT jifen,
SUM(jifen)
FROM member
GROUP BY jifen
--查看数据库表:
SELECT CompanyName, ContactName, Phone, Country
FROM dbo.Customers
--下例删除 titles_view 视图。
USE pubs
IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS
WHERE TABLE_NAME = 'titles_view')
DROP VIEW titles_view
GO
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