1. http://www.simple-talk.com/
This is a very perfessional sql serverdatabase website ,you can learn what you want from here.
What is more ,we also can download book and other material from this website
2.http://www.sqlservercentral.com/
We can get more sample script and latest info from here
It is microsoft partner and oracle 's gold partner,you can get the smart idea from here ,and know what other's people thinking about database. The good news is you can get the perfect tool to help you daily work.
Reproduced in: https: //www.cnblogs.com/flysun0311/archive/2011/12/28/2304592.html