Sql Server & SSRS Tips

Read article from that link: http://www.mssqltips.com/sqlservertip/2485/ssis-interview-questions--part-1/?utm_source=dailynewsletter&utm_medium=email&utm_content=headline&utm_campaign=20111122

visit the link for the basic information of query optimization. http://beginner-sql-tutorial.com/sql-query-tuning.htm