Small: 10GB database as of 2010: 1GB direct download, or torrent or magnet.Plus, it’s open source and no charge for you – just choose your size: It’s easy to learn, has just a few easy-to-understand tables, and has real-world data distributions for numbers, dates, and strings. I use a Microsoft SQL Server version of the public Stack Overflow data export for my blog posts and training classes because it’s way more interesting than a lot of sample data sets out there.
