数据库A资料.doc
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创建数据库:(带文件组,数据,日志文件)
Create database Sales6
on
primary
(name=sales6_1dat,
filename=E:\ProgramFiles\MicrosoftSQLServer\MSSQL\Data\S6P_F1.mdf,
size=10,
maxsize=50,
filegrowth=15%
),
(name=sales6_2dat,
filename=E:\ProgramFiles\MicrosoftSQLServer\MSSQL\Data\S6P_F2.ldf,
size=10,
maxsize=50,
filegrowth=15%
),
Filegroup Sales6_group1//在gorupfiles前面要加,
(name=S6_grp1_f1_dat,
filename=E:\ProgramFiles\MicrosoftSQLServer\MSSQL\Data\S6G1F1.ndf,
size=10,
maxsize=50,
filegrowth=15%
),
(name=S6_grp1_f2_dat,
filename=E:\ProgramFiles\MicrosoftSQLServer\MSSQL\Data\S6G1F2.ndf,
size=10,
maxsize=50,
filegrowth=15%
)
logon
(name=Sales6_log,
filename=E:\ProgramFiles\MicrosoftSQLServer\MSSQL\Data\Sale6log.ldf,
size=5MB,
maxsize=25MB,
filegrowth=5MB
)
修改数据库(添加数据或是日志文件,文件组,改数据库名,删除数据库):
alter database sales
add filegroup sales_group1
go
alter database sales
add file
(
name=salesgroup1_data,
filename=e:\sqldata\salegroup1_data.ndf, 添加文件(日志文件类似)
size=5,
maxsize=100MB,
filegrowth=5MB),
(
name=salesgroup1_data2,
filename=e:\sqldata\salegroup2_data.ndf,
size=5,
maxsize=100MB,
filegrowth=5MB
)
to filegroup sales_group1
go
alter database sales
modify filegroup sales_group1 default
go
更改文件: 删除文件:
alter database sales ALTER DATABASE Sales
modify file REMOVE FILE salesgroup1_data(逻辑文名)
( 更改数据库名称
name=salesgroup1_data2, MODIFY NAME=NewSales
size=3 删除多个数据库
) DROP DATABASE Sales2,Sales3
关于表方面的:建立临时表加:#
为表指定文件组:
CREATE TABLE Sales.dbo.supplier
(
supplier _id char(5) NOT NULL,
supplier _name varchar(50) NOT NULL,
linkman_name varchar(8),
address varchar(50),
telephone char(12) NOT NULL
)ON [PRIMARY]
对计算列使用表达式: 定义表autouser自动获取用户名称:
CREATE TABLE salarys CREATE TABLE autouser
( 姓名 varchar(10), ( 编号 int identity(1,1) NOT NULL,
基本工资 money, 用户代码 varchar(18),
奖金 money, 登录时间 A
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