1. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
CHAPTER 3
Data Management
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

2. 3.1 Data Information and Knowledge
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

3. 3.1 Data Information and Knowledge : Structure
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

4. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.2 Data Source
Internal Data Source
External Data Source
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

5. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.3 Data Collection
3.3.1 Collection Method
Survey  Questionnaire
Observation
Interview
Documentation and Work procedure
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

6. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.3 Data Collection
3.3.2 Data Problems
Incorrect Data
No update Data
Garbage In Garbage Out (GIGO) Data
No usable data
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

7. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.3 Data Collection
3.3.2 Data Quality
General Data Quality  Consistency Completeness
Nature Data Quality  Correct and Reliability
Access Data Quality  Accessibility and Security
Presentation Data Quality  Meaning Easy to use
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

8. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.4 Database
Advantage of Database
Decrease data redundancy
Avoid data inconsistency
More standard data format
Data security
Data Integrity
Easy to reporting
Concurrency control
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

9. 3.5 Database Management System : DBMS
Component of Database Management System : DBMS
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

10. 3.5 Database Management System : DBMS
Function of Database Management System : DBMS
Prepare User View
Create and Edit database  DDL
Storage and Retrieval  Logical Access Path (LAP) Physical Access Path (PAP)
Manipulation and Reporting
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

11. 3.5 Database Management System : DBMS
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

12. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.6 Type of Database
Hierarchical Database
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

13. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.6 Type of Database
Network Database
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

14. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.6 Type of Database
Relational Database
Table 2 Dimension
Row  Record or Tuple
Column  Attribute
Primary key
foreign key
Normalization process
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

15. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.6 Type of Database
Object-Oriented Database
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

16. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Meaning of Data Warehouse  Organization – customized System
Characteristic of Data Warehouse
Subject-Oriented
Integrated
Time Variant
Non-Volatile
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

17. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Advantage of Data Warehouse
High performance
Better competitive
More decision efficiency
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

18. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Disadvantage of Data Warehouse
Long time to load data
Must have expert
Long time to develop
More complicated
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

19. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Architecture of Data Warehouse
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

20. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Architecture of Data Warehouse
Data Acquisition System
Data Staging Area
Data Warehouse Database
Data Mart  Data Provisioning Area
End Users terminal
Metadata Repository
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

21. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Data Analysis method in Data Warehouse
Query and Reporting
Multidimensional Data Analysis  Online Analytical Processing Generator (OLAP)
Data Mining
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

22. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Data Warehouse
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

23. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Meaning of OLAP  Multidimensional data analysis
Characteristic of Multidimensional Database
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

24. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Operation with OLAP
Roll up
Drill Down  Consolidation
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

25. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Operation with OLAP
Slice
Dice
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

26. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Operation with OLAP
Slice
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

27. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Operation with OLAP
Dice
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

28. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.7 Database Technology
Online Analytical Processing : OLAP
Analysis and Compare for many view of data
Make easy for decision
Provide specific view for user
Quickly for query
Online analytical multidimensional database  quality decision
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

29. 3.8 Presentation method in DSS
2 Methods to present data for DSS
Graphic Method
Multidimensional Method
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

30. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
Question ???
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)