Outer joins seem to me a little bit confusing.
Is there anyone can get me a clear picture of outer joins (right, left and full)?
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Outer joins seem to me a little bit confusing.
Is there anyone can get me a clear picture of outer joins (right, left and full)?
Orginal question/answer: https://stackoverflow.com/questions/3308122/how-do-i-decide-when-to-use-right-join-left-join-or-inner-join-or-how-to-deter/3308153#3308153
Reading this original article on The Code Project will help you a lot: Visual Representation of SQL Joins.