In this chapter, the learning objectives are: Discuss ways that common challenges in managing data can be addressed using data governance, discuss the advantages and disadvantages of relational databases, define big data, and discuss its basic characteristics. | 3 Data and Knowledge Management Managing Data The Database Approach Big Data Data Warehouses and Data Marts Knowledge Management Discuss ways that common challenges in managing data can be addressed using data governance. Discuss the advantages and disadvantages of relational databases. Define Big Data, and discuss its basic characteristics. Explain the elements necessary to successfully implement and maintain data warehouses. Describe the benefits and challenges of implementing knowledge management systems in organizations. Database Saves the State of Washington Medicaid Dollars Describe additional benefits (beyond those discussed in the case) of the State of Washington’s EDIE database. Describe potential disadvantages of the State of Washington’s EDIE database. Giving Data Away for Free At first glance, giving away data for free seems to be a questionable business strategy. Describe how Jana’s business model makes this practice a success. Why are Facebook and Google so interested in | 3 Data and Knowledge Management Managing Data The Database Approach Big Data Data Warehouses and Data Marts Knowledge Management Discuss ways that common challenges in managing data can be addressed using data governance. Discuss the advantages and disadvantages of relational databases. Define Big Data, and discuss its basic characteristics. Explain the elements necessary to successfully implement and maintain data warehouses. Describe the benefits and challenges of implementing knowledge management systems in organizations. Database Saves the State of Washington Medicaid Dollars Describe additional benefits (beyond those discussed in the case) of the State of Washington’s EDIE database. Describe potential disadvantages of the State of Washington’s EDIE database. Giving Data Away for Free At first glance, giving away data for free seems to be a questionable business strategy. Describe how Jana’s business model makes this practice a success. Why are Facebook and Google so interested in bringing Internet access to the developing world? Discuss the pros and cons of the zero-rating system. Is Jana correct in claiming that its system is not really a zero-rating system? Why or why not? About Business Managing Data Difficulties of Managing Data Data Governance The Difficulties of Managing Data The amount of data increases exponentially over time Data are scattered throughout organizations Data are generated from multiple sources (internal, personal, external) Clickstream Data New sources of data 8 The Difficulties of Managing Data (continued) Data Degradation Data Rot Data security, quality, and integrity are critical Legal requirements change frequently and differ among countries & industries 9 Data Governance Master Data Management Master Data 10 The Database Approach Data File Database Systems Minimize & Maximize Three Things The Data Hierarchy The Relational Database Model 11 Figure : Database Management System Database Management Systems (DBMS) .
