In some databases LEFT JOIN is called LEFT OUTER JOIN. SQL LEFT JOIN ... In this tutorial we will use the well-known Northwind sample database. Below is a ... www.w3schools.com |
It is best to illustrate the differences between left outer joins and right outer joins by use of an example. Here we have 2 tables that we will use for our example: ... www.programmerinterview.com |
Example 1. --match cities to countries in Asia SELECT CITIES.COUNTRY, CITIES .CITY_NAME, REGION FROM Countries LEFT OUTER JOIN Cities ON CITIES. db.apache.org |