In this next installment, we'll be looking at two (arguably very contrasting) databases. The first is Gladius DB, which is a flat file database written in pure PHP. The second is Firebird, another database veteran, which has features similar to some of the better-known databases, such as Microsoft SQLServer.

She gives a brief introduction of each and includes links to two resources to help you get connected to each. A bit of sample code shows how to make the connections and pull information out of simple tables (SELECTed).