A database is anything that stores data. This is a very general thing, so even things like memory and disk space is organized into a database by the operating system.
SQL databases, aka Relational Databases, are a special kind of database that are general-purpose. I find them extraordinarily useful and I develop my software on them first. There are exceptions, but they are few and far between.
- /Facts: Thoughts on facts, sources, and how to correlate contradictory facts.
- /My Best Practices: Ideas on my best practices.