What use case are you trying to solve? Do you need a relational database? Do you want to self host or rely on another service/company to manage it for you?

There’s so many questions to answer before a recommendation can be made.

This could have just as easily been on the dadjokes community.

This is exactly the reason neither of my kids have a single picture online (to my knowledge).

It’s not up to me. When they are old enough, they can decide. Until then, I’ll do damn hardest to keep it away.