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?