Temporal Dimensional Modeling

Borrowing concepts from Bitemporal Anchor Modeling we have created a suggestion for how to temporalize Dimensional Modeling. It makes use of the distinction between immutable and mutable information to introduce a dimensional anchor for every dimension. It uses the rewind and point-in-time parametrized views. It used the proper primary keys together with foreign keys to achieve table elimination (immutable data is not touched during execution of a query). It uses constraints to ensure temporal entity integrity.

Note that this does in no way imply that we favor Dimensional Modeling over Anchor Modeling. It just shows that the techniques developed in Anchor Modeling can be widely applied in other modeling techniques.

Published by

Lars Rönnbäck

Co-developer of the Anchor Modeling technique. Programmer of the online modeling tool. Site maintainer. Presenter and trainer.

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