Which one is not correct for given ERD? O a. Caravan is not a part of Supertype-Subtype structure O b. There are common attributes for Subtypes O c. Subtype has a relationship. Od. There is no common relationship O e. This design is not exhaustive some business O f. If subtypes and supertype converted into a single entity Number of wheel attribute will be optional O g. Subtypes must have UID as their own attribute Oh. Each subtype is kind of Supertype O i. Design does not satisfy mutual exclusiveness

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A: What is an electronic database?

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