修改sqlserver默认的路径

/*

说明：如果查询路径返回的值是null，说明在默认安装路径下即
C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA

*/

--查询用户库Data文件默认路径：
DECLARE @DefaultData VARCHAR(100)
EXEC master..xp_regread @rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='DefaultData',
@DefaultData=@DefaultData OUTPUT
SELECT @DefaultData
go

--查询用户库Log文件默认路径：
DECLARE @DefaultLog VARCHAR(100)
EXEC master..xp_regread @rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='DefaultLog',
@DefaultLog=@DefaultLog OUTPUT
SELECT @DefaultLog
go

--查询用户库备份文件默认路径：
DECLARE @BackupDirectory VARCHAR(100)
EXEC master..xp_regread @rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='BackupDirectory',
@BackupDirectory=@BackupDirectory OUTPUT
SELECT @BackupDirectory
go

--修改用户库Data文件默认路径：
EXEC master..xp_regwrite
@rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='DefaultData',
@type='REG_SZ',
@value='c:\test\data'
go

--修改用户库Log文件默认路径：
EXEC master..xp_regwrite
@rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='DefaultLog',
@type='REG_SZ',
@value='c:\test\log'

--修改用户库备份文件默认路径：
EXEC master..xp_regwrite
@rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQLServer',
@value_name='BackupDirectory',
@type='REG_SZ',
@value='D:\test\backup'
go