SQL is hard(blogs.lessthandot.com)
blogs.lessthandot.com
SQL is hard
http://blogs.lessthandot.com/index.php/DataMgmt/DBProgramming/sql-is-hard
1 comments
http://sql-ex.ru/ - my place to practice some SQL.
http://blogs.lessthandot.com/index.php/DataMgmt/DBProgramming/sql-is-hard