I think "changing the DB" likely referred to schema changes, not swapping out th... | Hacker News

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		blattimwind on July 13, 2018 \| parent \| context \| favorite \| on: Learn how to design large-scale systems I think "changing the DB" likely referred to schema changes, not swapping out the DBMS.

pc86 on July 13, 2018 [–]

> > > > It also makes changing your DB a lot easier since APIs using the DAL don't need to be updated since they're DB agnostic [emphasis mine]

I took it as changing the DBMS under the hood.

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