Αποτελέσματα Αναζήτησης
The following illustrates the syntax of the RIGHT OUTER JOIN with the USING clause: SELECT column_list FROM T1 RIGHT OUTER JOIN T2 USING (c1,c2,c3); Code language: SQL (Structured Query Language) ( sql )
To write a query that performs an outer join of tables A and B and returns all rows from B (a right outer join), use the RIGHT [OUTER] JOIN syntax in the FROM clause, or apply the outer join operator (+) to all columns of A in the join condition in the WHERE clause.
5 Οκτ 2018 · Oracle SQL RIGHT JOIN or RIGHT OUTER JOIN. In Oracle RIGHT JOIN, all the rows from the right table and respective rows from the left table are part of the result. Oracle SQL RIGHT JOIN or RIGHT OUTER JOIN Syntax select column(s) --in comma separated value from table1 right join table2 on table1.column = table2.column; Oracle SQL RIGHT JOIN or ...
The syntax for the Oracle RIGHT OUTER JOIN is: SELECT columns FROM table1 RIGHT [OUTER] JOIN table2 ON table1.column = table2.column; In some databases, the RIGHT OUTER JOIN keywords are replaced with RIGHT JOIN.
Syntax. TableExpression RIGHT [ OUTER ] JOIN TableExpression . { ON booleanExpression |. USING clause . } Example 1. -- get all countries and corresponding cities, including. -- countries without any cities . SELECT COUNTRIES.COUNTRY, CITIES.CITY_NAME . FROM CITIES . RIGHT OUTER JOIN COUNTRIES .
In ANSI syntax, the OUTER JOIN clause specifies an outer join. In the FROM clause, the left table appears to the left of the OUTER JOIN keywords, and the right table appears to the right of these keywords.
Oracle join is used to combine columns from two or more tables based on the values of the related columns. The related columns are typically the primary key column (s) of the first table and foreign key column (s) of the second table. Oracle supports inner join, left join, right join, full outer join and cross join.