Introduction
In the mid-1980s, I landed my first software development job, which introduced me to the relational database management system (RDBMS), a system to store and retrieve data from a database. The concept has been around since 1970, when E.F. Codd published his famous paper introducing the relational model. The term relational refers to the fact that the data is stored in a grid of rows and columns, otherwise known as a table.
At the time I started out, commercial database systems weren’t widely available. In fact, I didn’t know anybody else who was using one. The RDBMS I used was imperfect, with no graphical interface and a command ...
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