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April 12th, 2014, 09:08 AM  #1 
Senior Member Joined: Oct 2012 Posts: 460 Thanks: 0  sql, pseudocode
Hello! I have one task for SQL: one course has more topics. There are more lectures to one topic. There are more students to a lecture. One student is attending more lectures. (S_L entity!) Please, if each lecture is paid particulary, how much does each course earn? How to write pseudocode? I tried this: main problem still have no INNER FEELING how sql works. Seems a little bit tricky, at least for now. Many thanks if someone would have nerves fora beginner! 