Question
To keep track of office furniture, computers, printers, etc. of its different business divisions in different locations, the FOUNDIT company uses the table structure. The
To keep track of office furniture, computers, printers, etc. of its different business divisions in different locations, the FOUNDIT company uses the table structure. The sample values of data are provided for your consideration, but you should also base your answers on the common sense about a corporate environment.
Table: Sample ITEM Records
Attribute Name | Sample Value | Sample Value | Sample Value | Sample Value | Sample Value |
ITEM_ID | 231134-678 | 342245-225 | 254668-449 | 254668-225 | 231134-449 |
ITEM_LABEL | HP DeskJet 895Cse | HP Toner | DT Scanner | DT Scanner | HP DeskJet 895Cse |
DIVISION_NAME | EAST | EAST | EAST | WEST | WEST |
DIVISION_ MANAGER | London | London | London | Manning | Manning |
ROOM_# | 325 | 325 | 123 | 123 | 331 |
BLDG_CODE | NTC | NTC | CSF | NTC | CSF |
BLDG_NAME | Nottooclear | Nottoclear | Canseefar | Nottoclear | Canseefar |
BLDG_MANAGER | Rightonit | Rightonit | May | May | May |
a. Given that information, write the relational schema and draw the dependency diagram. Make sure that you label the transitive and/or partial dependencies.
b. Write the relational schema and create a set of dependency diagrams that meet 3NF requirements. You can create new tables and columns as necessary.
* Present the dependency diagrams in the following format:
ATTRIBUTE 1 --> ATTRIBUTE 2, ATTRIBUTE 6,
(ATTRIBUTE 1, ATTRIBUTE 3)--> ATTRIBUTE 4, ATTRIBUTE 5,
*. A relational schema mentioned in these problems is just a format used to illustrate the table structure, such as
TABLE NAME (PRIMARY_KEY_ATTRIBUTE1, ATTRIBUTE 2, ATTRIBUTE 3,, ATTRIBUTE 4)
You can present the tables in this way in your answers.
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