How many join have in SQL?

I am using i开发者_开发问答nner join, left outer join, right outer join and full join in SQL. is there have any other type of join in SQL?

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There are various types of "joins" but some of them are the same type with just different names. http://en.wikipedia.org/wiki/Join_%28SQL%29

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There is also the cross join and self join.

The wikipedia article on joins is quite good.