ch04 - CHAPTER 4 Data, Information, and Knowledge...

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CHAPTER 4 Data, Information, and Knowledge Management
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CHAPTER OUTLINE 4.1 Managing Data 4.2 The Database Approach 4.3 Database Management Systems 4.4 Data Warehousing 4.5 Data Governance 4.6 Knowledge Management
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Chapter Opening Case
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Chapter Opening Case (continued) Push Model Products
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Chapter Opening Case (continued) Pull Model Orders
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Examples of Data Sources E-mails Credit card swipes RFID tags Digital video surveillance Radiology scans Blogs
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Managing Data Difficulties in Managing Data Amount of data increases exponentially Data are scattered and collected by many individuals using various methods and devices Data come from many sources Data security, quality, and integrity are critical
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Difficulties in Managing Data (continued) An ever-increasing amount of data needs to be considered in making organizational decisions. The Data Deluge
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Data Life Cycle
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Data, Information, Knowledge, Wisdom
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Hierarchy of Data for a Computer- Based File Database File (or table) Record Field Byte Bit
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Data Hierarchy (continued) Bit (binary digit) Byte (eight bits)
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Data Hierarchy (continued) Example of Field and Record
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Data Hierarchy (continued) Example of Field and Record
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Designing the Database Data model Entity Attribute Primary key Secondary keys
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This note was uploaded on 11/28/2011 for the course FINANCE 101 taught by Professor Chan during the Spring '11 term at Aarhus Universitet.

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ch04 - CHAPTER 4 Data, Information, and Knowledge...

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