When you're not operating at significant scale, you can use a relational database. Yes, if you know how to do it. But posts like https://news.ycombinator.com/i

When you're not operating at significant scale, you can use a relational database. Yes, if you know how to do it. But posts like https://news.ycombinator.com/item?id=5675902 https://news.ycombinator.com/item?id=5675902 and questions 'Should I learn SQL?' here and there make me think that's not required knowledge these days.