SQL SERVER BEST PRACTICES:

http://technet.microsoft.com/en-us/sqlserver/bb671430

DMV:

http://gallery.technet.microsoft.com/scriptcenter/site/search?f[0].Type=RootCategory&f[0].Value=databases&f[0].Text=%E6%95%B0%E6%8D%AE%E5%BA%93&f[1].Type=SubCategory&f[1].Value=sqlserver&f[1].Text=SQL%20Server&f[2].Type=Tag&f[2].Value=DMV&sortBy=Ratings

http://www.sqlcrunch.com/PerformanceTuning/tabid/100/Default.aspx

http://www.cnblogs.com/flysun0311/