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by tom_b
3367 days ago
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I have not found many-to-many relationships to be particularly problematic in RDBMs from a modeling and usage perspective. Just curious, are you asking about a multi-way relationship between more than two entities? A many-to-many between Entity1 and Entity2 is a pretty normal model. A many-to-many relationship between Enity1, Entity2, and Entity3 (or even more entities) has been rare in my experience. When I taught RDBMs, I made a point of emphasizing that these types of multi-way relational models should be carefully examined just to ensure the 3-way, 4-way, etc relationship was absolutely necessary. Honestly though, I think much of this depends on what your experience with both techs is. If you have spent a ton of time using a graph db and are comfortable using that as a backing store for your project, roll with it. |
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