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See MongoDB
(lemmy.world)
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this post was submitted on 28 Aug 2025
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And yet my Uni treats it like the biggest thing in existence. Meanwhile I've never used anything other than RDBS and Redis (only for cache), neither in private nor at work.
MongoDB is huge though for all the wrong reasons, businesses think that just because it's JS, they can just have frontend devs - sorry, they are "fullstack" now - doing DBA work.
I worked as one of two NoSQL DBAs for a Fortune 50 finance company, and there is a ton of CV-driven development going on giving NoSQL a bad name. Most use cases don't need NoSQL. And for those which do, NoSQL is almost always harder to implement than simple SQL based RDBMSs.
Sharded RDBS gets you very very far from my experience at least.
Definitely, and I'm saying that while my jobs were mostly on NoSQL and I love doing it.
If you need to run queries that aggregate big amounts of data in a reasonable time and cost, you'll need something built for it. For example, with a column oriented file format instead of the row oriented file format found in traditional relational databases
And the key word “big” here is far bigger than most engineers need to deal with. Hell, most supposed “big data” problems I’ve seen people try to tackle are small enough to fit the whole database into memory.
My point is more that 90% of use cases don't need that, and for those that do, you can't just slap eg. Cassandra at it and pretend it's a relational database.