"a relational data model on top top of hash-map" is my original idea, and then c... | Hacker News

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		lincpa on Feb 11, 2020 \| parent \| context \| favorite \| on: Is a Dataframe Just a Table? (2019) [pdf] "a relational data model on top top of hash-map" is my original idea, and then combine [The Pure Function Pipeline Data Flow v3.0 with Warehouse/Workshop Model](https://github.com/linpengcheng/PurefunctionPipelineDataflow), can perfectly realize the simplicity and unity combination of system architecture.

johnthescott on Feb 14, 2020 [–]

cockroach is built on top of a key/value index, i believe.

https://www.cockroachlabs.com/blog/sql-in-cockroachdb-mappin...

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