Possible Duplicate: Three table join with joins other than INNER JOIN I’m a beginner

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Editorial Team

Asked: May 25, 20262026-05-25T01:14:56+00:00 2026-05-25T01:14:56+00:00

Possible Duplicate:
Three table join with joins other than INNER JOIN

I’m a beginner in SQL and I’m trying to understand how to use the join clauses.
I used a Left Join between two tables:

SELECT     Table1.Key1, Table2.Key2
FROM         Table1 LEFT OUTER JOIN
                  Table2 ON Table1.Key1 = Table2.Key2

Can I retrieve the keys who are only in the Table1 using a left Join (Or right Join)?

Thanks

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Editorial Team · Answer 1 · 2026-05-25T01:14:57+00:00

Editorial Team

Check out the Venn diagrams for the various JOIN types that Jeff Atwood posted – really quite nice and visual way to understand the JOINs!

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