Question: 4. (12 points) Consider the following relation schema: WORK(Operator, Item-Made, Machine, Date) (1) Formulate the following constraints on this relation schema as fnctionai day: (b)

4. (12 points) Consider the following relation schema: WORK(Operator, Item-Made, Machine,

4. (12 points) Consider the following relation schema: WORK(Operator, Item-Made, Machine, Date) (1) Formulate the following constraints on this relation schema as fnctionai day: (b) c: (a) an operator can work on only one machine on the same day: (b) each Item-Made (e g, skirt, hat) must be made on the same machine. (2) Assume that the following functional dependencies on relation schema WORK: {Operator, Machine} {lem-Made, Date), Item-Made Machine are given. (Do not consider the F.D.s in the above Question (1). Is relation schema WORK in 3NF with respect to this given set of F.D.s? Why

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