Outer Joins - Analytics Database - Teradata Vantage

SQL Data Manipulation Language

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2024-04-05
dita:mapPath
pon1628111750298.ditamap
dita:ditavalPath
qkf1628213546010.ditaval
dita:id
esx1472246586715
lifecycle
latest
Product Category
Teradata Vantage™

The outer join is an extension of the inner join that includes both rows that qualify for a simple inner join as well as a specified set of rows that do not match the join conditions expressed by the query.

Because outer joins are as complicated to code correctly as they are to interpret, this section studies them in detail, including a carefully thought out case study and series of recommendations contributed by a database administrator.

There are three types of outer joins: