How can we differ LEFT OUTER JOIN vs Left Join [duplicate]

This question already has answers here: 开发者_如何学C LEFT JOIN vs. LEFT OUTER JOIN in SQL Server (12 answers) Closed 8 years ago.

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

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

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