W09_MGCR331_Session_18_19_20_sv1

W09_MGCR331_Session_18_19_20_sv1 - Sessions 18, 19, and 20...

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Unformatted text preview: Sessions 18, 19, and 20 Data, Information, and Knowledge Management MGCR 331 Information Systems IT Impacts on Organizations LEARNING OBJECTIVES Managing Data : Recognize the importance of data, the issues involved in data management, and the data life cycle The Database Approach and Database Management Systems : Explain the advantages and disadvantages of the database approach Data Warehousing : Describe data warehousing and examine its role in decision support Data Governance : Examine how data governance helps produce better data Knowledge Management : Define knowledge and examine the different types of knowledge Facts YouTube holds over 100 million video streams each day! Between 2006 and 2010, there will be 18 million times more information as what exists now in all books ever written: 960 exabytes (960 billion gigabytes)!! Does this mean we in 2 years we will have 960 exabytes of knowledge? Case: Single Version of TRUTH Price Competition Increase Profit How? Approach: Improve Data collection and Utilization Data about Issues Problem 1. Increase Sales 2. Reduce Cost Product, Customer, Supplier Duplicate, Inconsistent, Incomplete, Incorrect Mistakes, Delayed product launch, Customer Dissatisfaction IT Solution Retail Partners R & D Manufacturing Suppliers Ecommerce system (direct sales) Marketing + Sales .com IBMs Master Data Management System Result Business Model Transformation Push Model Products Orders Pull Model Drastic savings; time-to-market down from 6mths to 1mth; from push to pull (1) Managing Data: Issues in Managing Data Exponential increase in data (e.g., 960 exabytes) Scattered data Diverse sources Unstructured data Data decay Importance of data security, quality, and integrity Issues with data redundancy, isolation, inconsistency, independence Data isolation occurs when: A p p l i c a t i o n s c a n n o t a c c e . . A p p l i c a t i o n s a n d d a t a a r . . . D a t a i s e n c r y p t e d T h e s a m e d a t a i s s t o r e d . . V a r i o u s c o p i e s o f t h e d a . . D a t a m e e t s c e r t a i n c o n s . . . 41% 45% 0% 7% 2% 5% 1. Applications cannot access data associated with other applications 2. Applications and data are not linked to each other 3. Data is encrypted 4. The same data is stored in may places 5. Various copies of the data do not agree 6. Data meets certain constrains (e.g., only numerals in SIN) Data independence occurs when: A p p l i c a t i o n s c a n n o t a c c e . . A p p l i c a t i o n s a n d d a t a a r . . . D a t a i s e n c r y p t e d T h e s a m e d a t a i s s t o r e d . . V a r i o u s c o p i e s o f t h e d a . . D a t a m e e t s c e r t a i n c o n s . . ....
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W09_MGCR331_Session_18_19_20_sv1 - Sessions 18, 19, and 20...

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