I have three tables. Table 1 has 1 record, and joins to Table 2 on an field called ID which has 5 records. Table 2 joins to Table 3, which has 1 record. The only reason I'm linking in table 2 is ...

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