mysql admin

http://www.techinterviews.com/29-mysql-interview-questions
http://www.interviewquestionsforu.com/MySQL.html
http://shumon.amitumioshay.com/index.php?option=com_content&view=article&id=235:mysql-interview-questions&catid=8:questions&Itemid=161

LINQ for beginners

http://www.youtube.com/watch?v=5OoUcDzWrV8&feature=related