How do you write a right outer join in Oracle?
The syntax for the Oracle RIGHT OUTER JOIN is: SELECT columns FROM table1 RIGHT [OUTER] JOIN table2 ON table1. column = table2.
What is (+) in Oracle SQL query?
The plus sign is Oracle syntax for an outer join. There isn’t a minus operator for joins. An outer join means return all rows from one table. Also return the rows from the outer joined where there’s a match on the join key.
What is join types of join?
Different Types of SQL JOINs (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. RIGHT (OUTER) JOIN : Returns all records from the right table, and the matched records from the left table.
How do I create a right join?
RIGHT JOIN Syntax ON table1. column_name = table2. column_name; Note: In some databases RIGHT JOIN is called RIGHT OUTER JOIN .
What is right outer join example?
A right outer join is a method of combining tables. The result includes unmatched rows from only the table that is specified after the RIGHT OUTER JOIN clause. If you are joining two tables and want the result set to include unmatched rows from only one table, use a LEFT OUTER JOIN clause or a RIGHT OUTER JOIN clause.
What is right outer join?
A RIGHT OUTER JOIN is one of the JOIN operations that allow you to specify a JOIN clause. It preserves the unmatched rows from the second (right) table, joining them with a NULL in the shape of the first (left) table. A LEFT OUTER JOIN B is equivalent to B RIGHT OUTER JOIN A, with the columns in a different order.
What happens in right join?
The RIGHT JOIN keyword returns all records from the right table (table2), and the matching records from the left table (table1). The result is 0 records from the left side, if there is no match.
How do you use a right join in SQL?
The SQL RIGHT JOIN returns all rows from the right table, even if there are no matches in the left table. This means that if the ON clause matches 0 (zero) records in the left table; the join will still return a row in the result, but with NULL in each column from the left table.