“Which database is best for my SaaS? ” This is a reasonable question, but it’s also the wrong place to start. PostgreSQL, MongoDB, Redis, and other databases solve different problems, operate with different trade-offs, and excel under different workloads.
Source: [Dev.to](https://dev.to/nsikanadaowo/how-to-choose-a-database-for-your-next-saas-a-practical-framework-ko1)