Switching databases is brutal, which is why buyers research so heavily before committing. That research behaviour is what makes an authoritative category site valuable here rather than merely useful. The sector deserves the attention. Relational incumbents, vector stores, time series engines, managed cloud offerings and a steady stream of entrants trying to take a slice of one of the largest line items in enterprise IT. This name carries an analyst site, a benchmarking and comparison platform, a procurement resource, or a trade publication.