Visual SQL Joins

Came across a twitter post that made me remember how useful these things could be. For the visual learner it can go a long way in understanding how a join works. I’m linking to the one from the twitter post as well as.

For the visual learner:

http://www.codeproject.com/KB/database/Visual_SQL_Joins.aspx

http://www.codinghorror.com/blog/archives/000976.html

http://www.khankennels.com/blog/index.php/archives/2007/04/20/getting-joins/