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hemant kumar
What is a join and explain different types of joins
1 Answer(s)      4 years and a month ago
Posted in : SQL


What is a join and explain different types of joins?


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November 20, 2010 at 12:01 PM


Hi,

Joins are used in queries to explain how different tables are related. Joins also let you select data from a table depending upon data from another table.

Types of joins: INNER JOINs, OUTER JOINs, CROSS JOINs.

OUTER JOINs are further classified as LEFT OUTER JOINS, RIGHT OUTER JOINS and FULL OUTER JOINS.

Thanks,



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