Some of the better websites or personal blogs
1. SQL Server 2008 Database Video Tutorial
http://www.xin3721.com/eschool/SQLxin3721/
2. SQL Server Forum
Http://bbs.51cto.com/forum-43-1.html
3. Learn SQL Server development with Master Shu (summary posts)
Http://bbs.51cto.com/thread-1089712-1.html
Functions such as 4.SQL MAX ()
Http://www.w3school.com.cn/sql/sql_func_max.asp
5. The difference between varchar and nvarchar
Http://www.cnblogs.com/yelaiju/archive/2010/05/29/1746826.html
6. Basic syntax for SQL Server programming
Http://www.cnblogs.com/lipan/archive/2010/12/09/1892516.html
7, SQL query statement Daquan Collection
Http://www.shmedu.com.cn/blog/Item.aspx?Id=1&LogId=8
http://www.cnblogs.com/yubinfeng/archive/2010/11/02/1867386.html#3095116
Http://www.cnblogs.com/lipan/archive/2013/05/30/3045237.html
8. SQL Server Stored Procedures
Http://www.cnblogs.com/hoojo/archive/2011/07/19/2110862.html
9, SQL inline, the simple understanding of the outreach
Http://www.cnblogs.com/kevinGaoblog/archive/2012/07/05/2577410.html
10. Correlated subqueries and nested subqueries [SQL Server]
Http://www.cnblogs.com/Ryan_j/archive/2010/10/20/1857026.html
11. Clustered indexes and nonclustered indexes (collation)
Http://www.cnblogs.com/aspnethot/articles/1504082.html
January 31 Resource Web site (SQL Server)