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Is the EER model backward compatible with the standard ER model? Could you, for example, take an EER diagram and generate an ER model which

Is the EER model "backward compatible" with the standard ER model?

Could you, for example, take an EER diagram and generate an ER model which could be used to recreate the database?

If so, would this be acceptable (although very slow) backup to rebuilding a database without data?

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