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 ...

In a three-way join, the sql-expression consists of two conditions: one relates the first table to the second table and the other relates the second table to the third table.

I have the following query trying to grab the user information from tbl_Users for two different people- the user that submitted the revision, and the user that added CMRB approval: SELECT * FROM ...

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