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sp_attach_single_file_db 'SharePoint_Config','D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\SharePoint_Config.mdf'
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dbcc checkdb(@databasename,REPAIR_REBUILD) 
exec sp_dboption @databasename, N'single', N'false'--½«Ä¿±êÊý¾Ý¿âÖÃΪ¶àÓû§×´Ì¬
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