Are you also curious about NoSQL databases. Well, MongoDB is one of the most known ones. MongoDB has a javascript syntax (json), I like it. Try out the interactive shell at the mongodb site. Quickstart on Ubuntu To test it on Ubuntu, just install an existing apt-package: sudo apt-get install mongodb Create the default folder and change permissions: sudo mkdir -p /data/db/ sudo chown \`id -u\` /data/db ```Then jump directly into mongo db shell: mongo