Abstractions are notoriously leaky in DBMSes. First off, they don't even use the same SQL spec. Give me a schema that uses anything Postgres-specific, and I can

Abstractions are notoriously leaky in DBMSes. First off, they don't even use the same SQL spec. Give me a schema that uses anything Postgres-specific, and I can tell you what the bytes on disk look like for a given row or index. I think it's a moot point anyway because the language is broader than just files in the filesystem sense, which is basically what the court said too.