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What meaning of ‘sound data model’ in summary of Datomic?


@isaac: the use of the word ‘sound’ in the high level overview doesn’t have a technically specific meaning, if that’s what you’re inquiring about. I’d say the highlights of the "sound data model" are (a) the universal schema for facts implied by datoms and the flexibility in both (b) projecting entities that match your own minimally defined schema from all present datoms and (c) considering all datoms ever recorded via immutable history. Those details are all elaborated on in “The Datomic Data Model” section from the page I assume you’re referring to: