Question: Consider the following relations: Employee ( E _ id: integer, E _ name: string, Age: integer, Salary: real ) Works ( E _ id: integer,

Consider the following relations:
Employee(E_id: integer, E_name: string, Age: integer, Salary: real)
Works(E_id: integer, Dep_id: integer, Start_date: date)
Department(Dep_id: integer, Dep_name: string, Budget: real, Manager_E_id: integer)
What referential integrity constraints exist between these relations?

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