https://hackernoon.com/unique-indexes-we-should-think-twice-especially-at-scale
Unique Indexes: We Should Think Twice (Especially at Scale) | HackerNoon
Rethinking UNIQUE INDEXes: Explore why they can be costly and problematic in large-scale, why application-layer uniqueness checks are more flexible and robust
unique indexesthink twiceat scaleespeciallyhackernoon