Given the following relation R and its functional dependencies: R(workerNumber, repairNumber, workerName, machineNumber, spentTime, repairDate, machineName, workshopNumber, workshopName ) workerNumber à workerName repairNumber à repairDate, machineNumber machineNumber à machineName, workshopNumber workshopNumber à workshopName Explain the types of all the dependencies in the relation R. Create a database whose tables are at least in 3NF, showing the dependency diagrams for each table.
Given the following relation R and its functional dependencies: R(workerNumber, repairNumber, workerName, machineNumber, spentTime, repairDate, machineName, workshopNumber, workshopName ) workerNumber à workerName repairNumber à repairDate, machineNumber machineNumber à machineName, workshopNumber workshopNumber à workshopName Explain the types of all the dependencies in the relation R. Create a database whose tables are at least in 3NF, showing the dependency diagrams for each table.
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 11RQ
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Given the following relation R and its functional dependencies:
R(workerNumber, repairNumber, workerName, machineNumber, spentTime, repairDate, machineName, workshopNumber, workshopName )
workerNumber à workerName
repairNumber à repairDate, machineNumber
machineNumber à machineName, workshopNumber
workshopNumber à workshopName
- Explain the types of all the dependencies in the relation R.
- Create a
database whose tables are at least in 3NF, showing the dependency diagrams for each table.
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