In the example above, table1.column1 and table2.column1 are used to combine or join the tables, but only values from table2.column2 are returned. Include more than two tables with AND ...

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 ...

To perform a natural join with SQL, you need to use the NATURAL JOIN keyword between the names of the tables you want to join. For example, if you have two tables called customers and orders, and ...