Firestore can do that, a DB engine doesn't need to be relational to offer that feature. https://firebase.google.com/docs/firestore/security/get-started https:/

Firestore can do that, a DB engine doesn't need to be relational to offer that feature. https://firebase.google.com/docs/firestore/security/get-started https://firebase.google.com/docs/firestore/security/get-star...