This course will be retired on August 10, 2021. We recommend "REST APIs with Express" for up-to-date content.
The first step in planning our database is to answer two fundamental questions: what entities are we keeping track of, and how are they related to one another? While answering these questions before implementing a datastore is not always possible, if we can do it, we absolutely should, because doing so will reduce time and complexity for us down the road.
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