Chapter
3
Data Management: Data,
Databases and Warehousing
Information Technology For Management 6th Edition
Information Technology For Management 6 Edition
Turban, Leidner, McLean, Wetherbe
Lecture Slides by L. Beaubien, Providence College
Chapter 3 1
Learning Objectives
Learning Objectives
z
R
i
th i
t
f d t
i l
z
Recognize the importance of data, managerial
issues, and life cycle
z
Describe sources of data, collection, and quality
z
Describe DMS
z
Describe DMS
z
Describe Data Warehousing and Analytical
g
y
Processing
z
Describe DBMS (benefits and issues)
Chapter 3 2
Learning Objectives
(Continued)
Learning Objectives
(Continued)
z
Understand conceptual logical and physical
z
Understand conceptual, logical, and physical
data
z
Understand ERD
z
Understand ERD
z
The importance of Marketing
z
The Internet and Data Management
Data Life Cycle Process
Data Life Cycle Process
Transactional vs. Analytical Data
P
i
Processing
z
Tr a n sa ct ion a l pr oce ssin g t akes place in operat ional t ( TPS) t h t id t h i t i it h t hsyst em s ( TPS) t hat provide t he organizat ion wit h t he capabilit y t o perform business t ransact ions and produce t ransact ion report s. The dat a are organized m ainly in a
hierarchical st ruct ure and are cent rally processed. This is
hierarchical st ruct ure and are cent rally processed. This is done prim arily for fast and efficient processing of rout ine, repet it ive dat a.
z Supplem ent ary act ivit y t o t ransact ion processing is
z Supplem ent ary act ivit y t o t ransact ion processing is
called a n a lyt ica l pr oce ssin g, which involves t he analysis of accum ulat ed dat a. Analyt ical processing, som et im es
referred t o as business int elligenceg , includes , dat a m ining, g, decision support syst em s ( DSS) , querying, and ot her
analysis act ivit ies. These analyses place st rat egic
inform at ion in t he hands of decision m akers t o enhance product ivit y and m ake bet t er decisions leading t o great er
Chapter 3 5
Forms for Modeling Data (ERD)
Forms for Modeling Data (ERD)
z
Entities
z
Entities
z
Attributes
z
Relations
Hierarchy
o
f
D
ata
Hierarchy
of
Data
Chap
te
r 3
Hierarchy of Data (cont’d)
Hierarchy of Data (cont d)
The Data Warehouse & Data Management
g
Web-based Data Management
Systems
– content and information
Managerial Issues
Managerial Issues
z
Cost-benefit issues and justification
z
Where to store data physically
z
Where to store data physically
z
Legal issues
z
Legal issues
z
Internal or external?
z
Data Delivery
Managerial Issues
(Continued)
Managerial Issues
(Continued)
z
Disaster recovery
y
z
Data security and ethics
z
Ethics: Paying for use of data
z
Privacy
z
Legacy Data
Chapter 3
Chapter 3
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