Operational data stores are not reporting data stores. A healthy system would fi... | Hacker News

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		ChicagoDave on April 8, 2020 \| parent \| context \| favorite \| on: Rules for Data Modeling with DynamoDB Operational data stores are not reporting data stores. A healthy system would fire change events to which a reporting system subscribes, placing the data where it belongs in the reporting data model.

thoraway1010 on April 12, 2020 [–]

Except what happens when change events are dropped.

in SQL, normalized, ref integrity on - you simply never get out of sync.

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