Given the following schema, Pet (petId: integer, petType: st…
Given the following schema, Pet (petId: integer, petType: string, petName: String, favoriteFood: String) Cat (petId: integer (FK), furColor: string) Dog (petId: integer (FK), furColor: string) Bird (petId: integer (FK), canFly: boolean) Which relational algebra expression is going to produce a list of distinct bird names for the birds who can fly?
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