打开CMD命令 执行:sqlcmd/? 

这是sqlcmd命令的一些帮助信息 
通过上面可以知道怎么连数据库了 
执行:sqlcmd -S 服务器地址 -d 数据库名称 -U 用户密码 -P 密码 
以下是操作数据库的一下命令 复制代码 代码如下: 
0. 创建数据库 
CREATE DATABASE DB001 
1. 创建用户 
CREATE LOGIN USER1 
WITH PASSWORD = 'USER_PW'; 
2. 修改数据的所有者 
USE DB001 
exec sp_changedbowner 'USER1' 
GO 
3. 设置READ_COMMITTED_SNAPSHOT 
ALTER DATABASE [DB001] SET READ_COMMITTED_SNAPSHOT ON 
GO 
4.修改字符集 
ALTER DATABASE DB001 COLLATE SQL_Latin1_General_CP437_CS_AS 
GO 
5. 获取所有数据库名: 
Select Name FROM Master..SysDatabases 
6 . 获取所有表名: 
select name from sysobjects where type='U' 
XType='U':表示所有用户表; 
XType='S':表示所有系统表; 
7. 获取所有字段名: 
Select Name from SysColumns Where id=Object_Id('TableName') 
8. 查看与某一个表相关的视图、存储过程、函数 
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%TableName%' 
9. 查询某一个表的字段和数据类型 
select column_name,data_type from information_schema.columns 
where table_name = N'TableName' 
10. 获取数据库文件路径 
select ltrim(rtrim(filename)) from dbname ..sysfiles where charindex('MDF',filename)>0 
or 
select ltrim(rtrim(filename)) from dbname ..sysfiles where charindex('LDF',filename)>0  
MSSQL2005_数据库备份语句 
--完整备份 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Full_20070908.bak' 
--差异备份 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Diff_20070908.bak' 
With Differential 
--日志备份,默认截断日志 Backup Log NorthwindCS 
To disk='G:\Backup\NorthwindCS_Log_20070908.bak' 
--日志备份,不截断日志 Backup Log NorthwindCS 
To disk='G:\Backup\NorthwindCS_Log_20070908.bak' 
With No_Truncate 
--截断日志不保留 Backup Log NorthwindCS 
With No_Log 
--或者 
Backup Log NorthwindCS 
With Truncate_Only 
--截断之后日志文件不会变小 
--有必要可以进行收缩 
--文件备份 Exec Sp_Helpdb NorthwindCS --查看数据文件 
Backup Database NorthwindCS 
File='NorthwindCS' --数据文件的逻辑名 
To disk='G:\Backup\NorthwindCS_File_20070908.bak' 
--文件组备份 Exec Sp_Helpdb NorthwindCS --查看数据文件 
Backup Database NorthwindCS 
FileGroup='Primary' --数据文件的逻辑名 
To disk='G:\Backup\NorthwindCS_FileGroup_20070908.bak' 
With init 
--分割备份到多个目标 
--恢复的时候不允许丢失任何一个目标 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Full_1.bak' 
,disk='G:\Backup\NorthwindCS_Full_2.bak' 
--镜像备份 
--每个目标都是相同的 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Mirror_1.bak' 
Mirror 
To disk='G:\Backup\NorthwindCS_Mirror_2.bak' 
With Format --第一次做镜像备份的时候格式化目标 
--镜像备份到本地和远程 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Mirror_1.bak' 
Mirror 
To disk='\\192.168.1.200\Backup\NorthwindCS_Mirror_2.bak' 
With Format 
--每天生成一个备份文件 Declare @Path Nvarchar(2000) 
Set @Path ='G:\Backup\NorthwindCS_Full_' 
+Convert(Nvarchar,Getdate(),112)+'.bak' 
Backup Database NorthwindCS 
To disk=@Path 
--从NoRecovery或者 
--Standby模式恢复数据库为可用 Restore Database NorthwindCS_Bak 
With Recovery 
--查看目标备份中的备份集 Restore HeaderOnly 
From Disk ='G:\Backup\NorthwindCS_Full_20070908.bak' 
--查看目标备份的第一个备份集的信息 Restore FileListOnly 
From Disk ='G:\Backup\NorthwindCS_Full_20070908_2.bak' 
With File=1 
--查看目标备份的卷标 Restore LabelOnly 
From Disk ='G:\Backup\NorthwindCS_Full_20070908_2.bak' 
--备份设置密码保护备份 Backup Database NorthwindCS 
To disk='G:\Backup\NorthwindCS_Full_20070908.bak' 
With Password = '123',init 
Restore Database NorthwindCS 
From disk='G:\Backup\NorthwindCS_Full_20070908.bak' 
With Password = '123'