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A RIGHT OUTER JOIN between 2 tables is a JOIN where the resultset consists of all rows from the right table including unique rows (which do not match any row in the left table) and matching rows (common rows of both tables) but includes only matching rows from the left table.
18 Σεπ 1996 · Here are the different types of the JOINs in SQL: (INNER) JOIN: Returns records that have matching values in both tables. LEFT (OUTER) JOIN: Returns all records from the left table, and the matched records from the right table.
11 Ιουλ 2024 · Right outer join. Full outer join. Cross join. Note. For more information on join syntax, see FROM clause plus JOIN, APPLY, PIVOT (Transact-SQL). SQL Server employs four types of physical join operations to carry out the logical join operations: Nested Loops joins. Merge joins. Hash joins. Adaptive joins (starting with SQL Server 2017 (14.x))
A RIGHT JOIN (also called RIGHT OUTER JOIN) is one of the 5 types of JOINS and a type of OUTER JOIN among the 3 outer JOINS available in SQL to fetch and combine columns from different related tables.
A right outer join is the same as a right join, and left join and left outer join are also the same.
24 Ιουν 2021 · The RIGHT OUTER JOIN is used when you want to join records from tables, and you want to return all the rows from one table and show the other tables columns if there is a match else return NULL values.
The RIGHT JOIN returns a result set that includes all rows in the right table, whether or not they have matching rows from the left table. If a row in the right table does not have any matching rows from the left table, the column of the left table in the result set will have nulls.