What are the restrictions pertaining to the use of an outer join?

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What are the restrictions pertaining to the use of an outer join?

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Following are the restrictions pertaining to the use of an outer join:

  • The outer join operator (+) can appear on only one side of the join, and it follows the column name of the table that does not have the matching rows.

  • The condition representing an outer join cannot use the IN operator or be linked to another condition by using the OR operator.


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