Full Outer Join Oracle | Full Outer Join - oracle tutorial - sql tutorial




Oracle full outer join

Learn oracle - oracle tutorial - Oracle full outer join - oracle examples - oracle programs

What is Full outer join in oracle ?

  • Full outer join returns all rows from the LEFT-hand table and RIGHT-hand table with nulls in place where the join condition is not met.
 full outer join

Syntax:

SELECT columns
FROM table1
FULL [OUTER] JOIN table2
ON table1.column = table2.column;
click below button to copy the code. By - oracle tutorial - team

Example:

SELECT wikitechy_employee.Name, Orders.OrderID 
FROM wikitechy_employee
FULL OUTER JOIN Orders
ON wikitechy_employee.id=Orders.ID
click below button to copy the code. By - oracle tutorial - team
oracle tutorial , sql tutorial , sql , pl sql tutorial , oracle , pl sql , plsql

Sample Database:

  • We have a table called wikitechy_employee with four fields (id, name, position, and city). It contains the following data:
 oracle full outer join table 1 output
  • We have another table called orders with three fields (id, customer_name, and orderid).
 oracle full outer join table 2 output

Full Outer Join:

 oracle full outer join query and output
  1. The FULL OUTER JOIN keyword returns all the rows from the left table (wikitechy_employee), and all the rows from the right table (Orders).
  2. If there are rows in "wikitechy_employee" that do not have matches in "Orders", or if there are rows in "Orders" that do not have matches in "wikitechy_employee", those rows will be listed as null.

LEFT OUTER JOIN

  • Another type of join is called an Oracle LEFT OUTER JOIN.
  • This type of join returns all rows from the LEFT-hand table specified in the ON condition and only those rows from the other table where the joined fields are equal (join condition is met).
  • In this visual diagram, the Oracle LEFT OUTER JOIN returns the shaded area:
 left outer join

Syntax

  • The syntax for the Oracle LEFT OUTER JOIN is:
SELECT columns
FROM table1
LEFT [OUTER] JOIN table2
ON table1.column = table2.column;
click below button to copy the code. By - oracle tutorial - team
  • In some databases, the LEFT OUTER JOIN keywords are replaced with LEFT JOIN.

RIGHT OUTER JOIN

  • Another type of join is called an Oracle RIGHT OUTER JOIN.
  • This type of join returns all rows from the RIGHT-hand table specified in the ON condition and only those rows from the other table where the joined fields are equal (join condition is met).
  • In this visual diagram, the Oracle RIGHT OUTER JOIN returns the shaded area:
 right outer join
oracle tutorial , sql tutorial , sql , pl sql tutorial , oracle , pl sql , plsql

Syntax:

  • The syntax for the Oracle RIGHT OUTER JOIN is:
SELECT columns
FROM table1
RIGHT [OUTER] JOIN table2
ON table1.column = table2.column;
click below button to copy the code. By - oracle tutorial - team
  • In some databases, the RIGHT OUTER JOIN keywords are replaced with RIGHT JOIN.

Oracle ALL Joins

Oracle join query

Oracle Join Query - Inner Join Query - Left Outer Join Query - Right Outer Join Query - Full Outer Join Query


This tutorial provides an indepth knowledge on the following items such as oracle tutorial , sql tutorial , sql , pl sql tutorial , oracle , pl sql , mysql tutorial , sql tutorial for beginners , learn sql , oracle database tutorial , sql query tutorial , oracle dba tutorial , plsql tutorial , oracle tutorial pdf , oracle pl sql tutorial , oracle sql tutorial , sql tutorial point , oracle tutorial for beginners , learn oracle online free , learn oracle online , learning pl sql programming , learn sql online for free , sql learning online , dba oracle tutorial , oracle sql tutorial advanced , oracle 11g dba tutorial with examples , oracle online learning , oracle learning online , how to learn pl sql , sql coding tutorial , sql learning websites , sql basic learning

Related Searches to Full Outer Join Oracle | Full Outer Join

Adblocker detected! Please consider reading this notice.

We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading.

We don't have any banner, Flash, animation, obnoxious sound, or popup ad. We do not implement these annoying types of ads!

We need money to operate the site, and almost all of it comes from our online advertising.

Please add wikitechy.com to your ad blocking whitelist or disable your adblocking software.

×