1.在http://msftdbprodsamples.codeplex.com/releases/view/55330下载AdventureWorks2012 Data File，下载后的文件名是AdventureWorks2012_Data.mdf。
2.使用sqlserver management studio来attach（附加数据库）。
3.我们下载的只有.mdf文件，没有log文件，但是我们在附件mdf文件的时候，会自动带上log文件，而且显示没有这个log文件。我们删除这个log文件，最后点击确定即可完成数据的安装。
假如我们不杀出log文件，会报错，错误如下：
TITLE: Microsoft SQL Server Management Studio
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Attach database failed for Server ******. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=11.0.2100.60+((SQL11_RTM).120210-1846+)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach+database+Server&LinkId=20476
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ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
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Unable to open the physical file "C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA\AdventureWorks2012_Log.ldf". Operating system error 2: "2(The system cannot find the file specified.)". (Microsoft SQL Server, Error: 5120)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&ProdVer=11.00.2100&EvtSrc=MSSQLServer&EvtID=5120&LinkId=20476
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BUTTONS:
OK
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