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Inner vs. Outer Joins This is an off-site link.  Please review our Terms of Service for additional information.




(Noel Herrick) I want to teach you the difference between an inner and an outer join. We first need to think about what a join is. Simply, it’s when you combine two tables to make a new one. You’re not physically creating a new table when you join them together, but for the purposes of the query, you are creating a new virtual table.

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