> But no-one uses different databases. If you sell on premise self-hosted software, sometimes you actually need it. A big client will say, your software uses o

> But no-one uses different databases. If you sell on premise self-hosted software, sometimes you actually need it. A big client will say, your software uses only PostgreSQL but our admin team can only support MySQL. Can your software use MySQL instead of PostgreSQL. Saying "yes" can help you close a contract worth hundreds of thousands of dollars.