Decision Support System by Simulation Model (Ajarn Chat Chuchuen) CHAPTER 3 Data Management Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.1 Data Information and Knowledge Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
3.1 Data Information and Knowledge : Structure Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
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)
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)
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)
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)
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)
3.5 Database Management System : DBMS Component of Database Management System : DBMS Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
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)
3.5 Database Management System : DBMS Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
Decision Support System by Simulation Model (Ajarn Chat Chuchuen) 3.7 Database Technology Data Warehouse Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
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)
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)
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)
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)
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)
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)
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)
Decision Support System by Simulation Model (Ajarn Chat Chuchuen) Question ??? Decision Support System by Simulation Model (Ajarn Chat Chuchuen)