9.2 Exercise
As a stock manager, Encik Anas who works in Car Appliances Company is responsible to manage all purchases made by the company. He has asked you to develop a small
data warehouse application prototype that enables him to produce a report for the top management. Based on the report, the company can study all purchases made by the
company in terms of branch, suppliers or car supplies units.
Given is the sample data for Purchase table in the company’s database.
PURCHASE_ID BRANCH_ID SUPPLIER_ID UNIT_ID
PURCHASE_DATE NUM_OF_UNIT 2 MELAKA
PROTON ENGINE
10-Jun-88 100
3 KL PROTON
FRAME 18-Aug-88
120 4 PERAK
NZWHEELS SUSPENSION
10-Mar-88 100
5 KEDAH SME
BRAKES 10-Jan-88
300 7 KEDAH
TOYOTA COVERBODY
12-Feb-88 255
8 PERAK NAZA
SUSPENSION 31-Aug-88
522 9 KL
SPAREPRO FRAME
12-Jan-88 411
10 KL NZWHEELS
BRAKES 12-Jan-88
611 11 KEDAH
PROTON WHEELS
10-Jan-88 125
12 MELAKA SME
COVERBODY 10-Jan-88
266 13 KEDAH
SPAREPRO COVERBODY
12-Feb-88 78
14 PERAK NZWHEELS
WHEELS 15-Oct-88
123 15 PERAK
SME WHEELS
12-Nov-88 522
16 KL TOYOTA
SUSPENSION 11-May-89
612 17 KL
TOYOTA BRAKES
11-May-89 600
18 PERAK SME
COVERBODY 12-Jan-89
512 19 MELAKA
PROTON BRAKES
15-Oct-89 444
21 MELAKA SME
BRAKES 12-Jan-89
400 22 MELAKA
SPAREPRO ENGINE
16-Dec-89 100
23 PERAK TOYOTA
COVERBODY 11-Dec-89
800 25 KEDAH
SME FRAME
12-Jun-89 321
26 KEDAH NZWHEELS
COVERBODY 14-Jun-89
511 27 KL
NZWHEELS BRAKES
15-Jun-89 211
28 KL SPAREPRO
BRAKES 16-Jun-89
114 31 KEDAH
SME ENGINE
18-Nov-89 500
32 KEDAH TOYOTA
SUSPENSION 18-Nov-89
600 33 KL
NZWHEELS COVERBODY
16-Jun-89 415
34 KL TOYOTA
ENGINE 14-Jun-89
562 35 KL
SPAREPRO WHEELS
16-Dec-89 871
36 PERAK SPAREPRO
BRAKES 16-Dec-89
411 37 PERAK
TOYOTA ENGINE
16-Jun-89 512
38 PERAK SME
FRAME 16-Jun-89
566 41 MELAKA
TOYOTA FRAME
14-Jun-89 122
42 MELAKA NZWHEELS
SUSPENSION 18-Nov-89
560 43 MELAKA
SPAREPRO WHEELS
14-Jun-89 200
66
Figure 9-2 : PURCHASE table
Based on the information, you need to perform the following tasks: b
Develop purchase star schema c
Define all dimension attributes d
Define attribute hierarchies if any for the model e
Generate a cross tab report using Microsoft Access based on 3-D cylinder Column chart to show the total purchase of car supplies units by branch.
The sample output is shown in Figure 9-3
Figure 9-3 : A cross tab report
67
9.3 Self Review Questions
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