You'd be surprised and frustrated. If you ever see someone say "We hired Oracle ...

AnotherGoodName on Nov 6, 2021 | parent | context | favorite | on: Spending $5k to learn how database indexes work

You'd be surprised and frustrated. If you ever see someone say "We hired Oracle consultants and they are miracle workers" or "NoSQL is sooo much faster than SQL" you can be pretty sure they missed databases 101 and the requirement to add indexes.