Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

I'm having a brain fart here... I have a feeling that I should be able to write a single query to handle this, but I just can't think of how... Basically, I have two tables: "distributors" and ...

You often need data that are stored in separate tables. For example, you may want to produce a report that gets information about flight delays from one table and boarding capacity from another.