Solved: Repair repairinvoicenumber repairdate repaircost, Basic Computer Science

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Repair repairinvoicenumber repairdate repaircost

Given the following table, key and FDs,

REPAIR (RepairInvoiceNumber, RepairDate, RepairCost, RepairEmployeeName, RepairEmployeePhone, SerialNumber, Type, TankCapacity)

Candidate Keys:

RepairInvoiceNumber, and (RepairDate, SerialNumber)

Functional Dependencies:

RepairInvoiceNumber → all other attributes

(RepairDate, SerialNumber) → all other attributes

SerialNumber → Type, TankCapacity

RepairEmployeeName → RepairEmployeePhone

1a. what normal form this table is in ? Why?

1b. How many "themes" are in this table? (Note: a table with good design only expresses one theme)

1c. how do you normalize it. Show the result. What normal form is each table in after you normalize the REPAIR table?

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