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Ask HN: Have you ever changed your DBMS for a site running in production?
I've worked for places that write straight SQL & places that use an ORM for all the things. I know one benefit of using an ORM is being able to switch to a different DBMS, but I'm wondering how often that's happened. I've been writing web apps for almost 20 years, and have yet to see it happen.
I'm just wondering if anyone has actually done it, and what the reasons were?