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Why Use SQL OUTER JOIN?

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Why Use SQL OUTER JOIN?

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Use the SQL OUTER JOIN whenever multiple tables must be accessed through a SQL SELECT statement and results should be returned if there is not a match between the JOINed tables. It can be useful when there is a need to merge data from two tables and to include all rows from both tables without depending on a match. Another use is to generate a large result set for testing purposes.

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