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Discussion on: Explain PostgreSQL Like I'm Five

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Dian Fay

Yeah, I've been looking into MySQL's JSON stuff in the past couple weeks and it definitely seems to be playing catch-up. Postgres hasn't solved the problem space entirely, but MySQL has a smaller function suite, no binary JSON, no direct indexing, and no lateral join. You can't even get a real boolean out of a JSON document in-query because MySQL doesn't have a boolean type and can't cast to tinyint.