Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

In this example, you will first create an inner join that relates employee identification number and salary. Then, you will create an outer join that combines this data with data from another table to ...

In this example, two large DBMS tables, TABLE1 and TABLE2, have a column named DEPTNO. An inner join of these tables is performed where the DEPTNO value in TABLE1 is equal to the DEPTNO value in ...