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@@ -18,3 +18,6 @@ Today we're going to be diving into databses. We'll explore the basics of databa
 [An article about null values. The important part of this is that emptiness and null are not the same. You don't have to agree with what he says.](http://www.bennadel.com/blog/85-why-null-values-should-not-be-used-in-a-database-unless-required.htm)
 
 [High Scalability - A blog on scaling databases](http://highscalability.com/)
+
+[SQL Course](http://www.sqlcourse.com/)
+[SQL Course 2](http://www.sqlcourse2.com/)