Learn how to link tables based on a condition with inner join, left join, right join, and full join in SQL queries.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Welcome to this hands-on lab on Working with Multiple Tables in SQL! This repository contains a step-by-step guide on how to write SQL queries that access multiple tables, compose queries using ...

The INNER JOINS: Matching records only In December 2001’s “Another crash course in SQL,” I showed you one way to extract information from two tables in one statement.

A join combines two or more tables side by side. If you do not specify how to join the tables, you get a Cartesian product. This means that SQL combines each row from the first table with every row ...