Lecture 1 introduction to data warehouse
Transcript of Lecture 1 introduction to data warehouse
Data Warehousing & Data Mining
LECTURE-1INTRODUCTION AND BACKGROUND
1Foundation University
Dr. Muhammad Shaheen
Introduction and Background
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Reference Books A. Abdullah, “Data Warehousing for beginners: Concepts &
Issues” (First Edition).
J. Han, “Data Mining: Concepts and Techniques” (Latest Edition)
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Additional Material Research Papers
Magazine Articles
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Semester Project
Develop an application for an organization of your choice.
A case study and coding based approach to be followed.
Use 4GL or a high level programming language.
You MUST collect the necessary data and should have a first draft of the project description approved by the instructor BEFORE initiating on detailed work.
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Semester Project (Cont…)The project report to include, but is not limited to, the following as documentation:
Narrative description of business and tables of appropriate data. Descriptions of decisions to be supported by information produced
by system. Summary narrative of results produced. Structure charts, dataflow diagrams and/or other diagrams to
document the structure of the system. Listings of computer models/programs utilized. Reports displaying results. Recommended decision from results. User instructions.
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Approach of the course Develop an understanding of underlying RDBMS
concepts.
Apply these concepts to VLDB DSS environments and understand where and why they break down?
Expose the differences between RDBMS and Data Warehouse in the context of VLDB.
Provide the basics of DSS tools such as OLAP, Data Mining and demonstrate their application.
Demonstrate the application of DSS concepts and limitations of the OLTP concepts through lab exercises.
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Why this course? The world is changing (actually changed), either change or be
left behind.
Missing the opportunities or going in the wrong direction has prevented us from growing.
What is the right direction? Harnessing the data, in a knowledge driven economy.
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The need
Knowledge is power, Intelligence is absolute power!
“Drowning in data and starving for information”
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The need
DATA
INFORMATION
KNOWLEDGE
POWER
INTELLIGENCE
$
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Historical overview
1960Master Files & Reports
1965Lots of Master files!
1970Direct Access Memory & DBMS
1975Online high performance transaction processing
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Historical overview
1980 PCs and 4GL Technology (MIS/DSS)
1985 & 1990 Extract programs, extract processing,
The legacy system’s web
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Historical overview: Crisis of Credibility
What is the financial health of our company?
-10% +10%
??