SQL server 2008 R2安装包下载

http://download.microsoft.com/download/9/4/8/948966AB-52CA-40F1-8051-0216481065E6/SQLEXPRADV_x64_CHS.exe

用户数据库目录：

C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Data

SQL server 2008 R2