Does full outer join remove duplicates?

LAST READ: APR 11 2024 | Q. BY: UJJWAL UPADHYAY

M

MAAHI V

FULL OUTER JOIN | SQL


In SQL, FULL OUTER JOIN is used for the combination of the results of both LEFT OUTER JOIN and RIGHT OUTER JOIN then returns all 'matched or unmatched' rows from the tables on both sides of the join clause in SQL.



Full Outer Join Query Syntex in SQL


    SELECT column_name(s)

    FROM left_table

    FULL OUTER JOIN right_table

    ON left_table.column_name = right_table.column_name

    WHERE condition;



Important Points


  • SELECT, FROM, FULL OUTER JOIN, ON & WHERE are SQL query syntax.
  • Two tables are used in this query left_table TABLE-1 and right_table TABLE-2.
  • column_name(s) are belong to specific tables.
  • FULL OUTER JOIN can return very large result sets.
  • Actually, FULL OUTER JOIN and FULL JOIN are the same in SQL.

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