Yes. It's an abstraction level for any data, it doesn't matter if it's a database or something else. As long as your code returns the data someone requested, you're fine. ☺
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So can I see it as an abstraction layer for any (supported) database?
Yes. It's an abstraction level for any data, it doesn't matter if it's a database or something else. As long as your code returns the data someone requested, you're fine. ☺