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What is the difference between Left Join and Left Outer Join?

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  • 6
    Well not an exact duplicate because that was for SQL Server, but it's basically the same answer.
    – Mark Byers
    Commented May 11, 2010 at 9:55
  • 1
    @OM The Eternity: enable Javascript in your browser, while you are typing the question, you could see other questions same as yours
    – Hao
    Commented May 11, 2010 at 9:56
  • @Hao LOL u r browser Hacker!!! and my mind hacker as well how did u come to know that ?? :) Commented May 11, 2010 at 10:24

2 Answers 2

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They are the same thing in MySQL. A LEFT JOIN is a synonym or shorthand for LEFT OUTER JOIN.

19

There is none. The keyword OUTER is optional. They mean the same.

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