How SQLite Became the Hidden Database Powering Everything

SQLite is the most deployed database engine on earth, running on billions of devices from smartphones to airplanes. Yet most developers barely think about it. In this episode of The Programming Languages Podcast with Fexingo, Lucas and Luna explore how SQLite became a critical piece of infrastructure, why its single-file design and public-domain licensing made it ubiquitous, and how it handles concurrency without a server. They discuss its origins in the 2000 dot-com bust, its adoption by every major mobile OS, and its surprising role in the 2026 serverless and edge computing landscape. Specific numbers: over one trillion SQLite databases are in active use, and the codebase has 100 percent branch test coverage. The hosts also touch on SQLite's limitations and when you should reach for something else. If you've ever wondered what's really storing your phone's text messages or your browser's bookmarks, this episode is for you. #SQLite #Database #EmbeddedDatabase #Serverless #EdgeComputing #OpenSource #PublicDomain #DevTools #SoftwareInfrastructure #MobileDevelopment #Backend #DataStorage #Technology #Coding #Fexingo #FexingoBusiness #BusinessPodcast #ProgrammingLanguagesPodcast Keep every episode free: buymeacoffee.com/fexingo