SQL Full Outer Join
Table Of Contents:
- What Is SQL Outer Join?
- Syntax Of SQL Outer Join.
- Examples Of SQL Outer Join.
(1) What Is SQL Outer Join?
- The
FULL OUTER JOINkeyword returns all records when there is a match in left (table1) or right (table2) table records. FULL OUTER JOINandFULL JOINare the same.
(2) Syntax Of SQL Outer Join?
Syntax:
SELECT column_name(s)
FROM table1
FULL OUTER JOIN table2
ON table1.column_name = table2.column_name
WHERE condition;(3) Examples Of SQL Outer Join?
Customer:
Orders:
Example-1:
SELECT Customers.CustomerName, Orders.OrderID
FROM Customers
FULL OUTER JOIN Orders ON Customers.CustomerID=Orders.CustomerID
ORDER BY Customers.CustomerName;
Note:
- The
FULL OUTER JOINkeyword returns all matching records from both tables whether the other table matches or not. - So, if there are rows in “Customers” that do not have matches in “Orders”, or if there are rows in “Orders” that do not have matches in “Customers”, those rows will be listed as well.