SQL Querying Multiple Tables: Difference between revisions
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* [[SQL_SELECT#Querying_Multiple_Tables|Querying Multiple Tables]] | * [[SQL_SELECT#Querying_Multiple_Tables|Querying Multiple Tables]] | ||
=Overview= | =Overview= | ||
More than one table can be used in a <code>[[SQL_SELECT#Querying_Multiple_Tables|FROM]]</code> query clause, and when that happens, it is said that the query performs a '''join'''. | |||
Join condition | Join condition | ||
Revision as of 17:57, 23 May 2024
External
Internal
Overview
More than one table can be used in a FROM query clause, and when that happens, it is said that the query performs a join.
Join condition
Foreign key