Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.
-
Upload
joleen-thomas -
Category
Documents
-
view
216 -
download
0
Transcript of Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.
![Page 1: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/1.jpg)
Principles of Information Systems, Sixth Edition
Organizing Data and Information
Chapter 5
![Page 2: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/2.jpg)
Principles of Information Systems, Sixth Edition
Chapter 5 Outline
• Data Management– Traditional vs. Database Approach
to Data Management
• Data Modeling and Database Models
• Database Management Systems (DBMS)
• Database Applications
![Page 3: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/3.jpg)
Principles of Information Systems, Sixth Edition
Data Management
![Page 4: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/4.jpg)
Principles of Information Systems, Sixth Edition
The Hierarchy of Data
![Page 5: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/5.jpg)
Principles of Information Systems, Sixth Edition
Data Entities, Attributes, and Keys
![Page 6: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/6.jpg)
Principles of Information Systems, Sixth Edition
The Traditional Approach
![Page 7: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/7.jpg)
Principles of Information Systems, Sixth Edition
Traditional Approach
• Data redundancy• Program-data dependence• Data integrity
![Page 8: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/8.jpg)
Principles of Information Systems, Sixth Edition
Database Approach
![Page 9: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/9.jpg)
Principles of Information Systems, Sixth Edition
Advantages of the Database Approach
![Page 10: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/10.jpg)
Principles of Information Systems, Sixth Edition
Advantages of the Database Approach
![Page 11: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/11.jpg)
Principles of Information Systems, Sixth Edition
Disadvantages of the Database Approach
![Page 12: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/12.jpg)
Principles of Information Systems, Sixth Edition
Data Modeling & Database Models
![Page 13: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/13.jpg)
Principles of Information Systems, Sixth Edition
Data Modeling and Database Models
• Content - What data should be collected?• Access - What data should be given to what users?• Logical structure - How will the data be organized to
make sense to a particular user?• Physical organization - Where will the data actually be
located?
![Page 14: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/14.jpg)
Principles of Information Systems, Sixth Edition
Data Modeling
• Enterprise data modeling• Planned data redundancy• Data model• Entity-relationship diagrams
![Page 15: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/15.jpg)
Principles of Information Systems, Sixth Edition
Entity-Relationship (ER) Diagrams
![Page 16: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/16.jpg)
Principles of Information Systems, Sixth Edition
Data Models
• Hierarchical models• Network models• Relational models
![Page 17: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/17.jpg)
Principles of Information Systems, Sixth Edition
Hierarchical (Tree) Models
![Page 18: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/18.jpg)
Principles of Information Systems, Sixth Edition
Network Models
![Page 19: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/19.jpg)
Principles of Information Systems, Sixth Edition
Relational Models
![Page 20: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/20.jpg)
Principles of Information Systems, Sixth Edition
Relational Models
![Page 21: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/21.jpg)
Principles of Information Systems, Sixth Edition
Data Cleanup
![Page 22: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/22.jpg)
Principles of Information Systems, Sixth Edition
Database Management Systems
![Page 23: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/23.jpg)
Principles of Information Systems, Sixth Edition
Creating and Modifying the Database
![Page 24: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/24.jpg)
Principles of Information Systems, Sixth Edition
Data Definition Language
![Page 25: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/25.jpg)
Principles of Information Systems, Sixth Edition
Creating and Modifying the Database
![Page 26: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/26.jpg)
Principles of Information Systems, Sixth Edition
Data Dictionary Benefits
• Reduced data redundancy• Faster program development• Easier data & information modification• Increased data reliability
![Page 27: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/27.jpg)
Principles of Information Systems, Sixth Edition
Storing and Retrieving Data
![Page 28: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/28.jpg)
Principles of Information Systems, Sixth Edition
Structured Query Language
![Page 29: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/29.jpg)
Principles of Information Systems, Sixth Edition
Database Output
![Page 30: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/30.jpg)
Principles of Information Systems, Sixth Edition
Database Management Systems (DBMSs)
• Provide a user view• Create and modify the database• Store and retrieve data• Manipulate data• Produce reports
![Page 31: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/31.jpg)
Principles of Information Systems, Sixth Edition
Popular Database Management Systems
![Page 32: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/32.jpg)
Principles of Information Systems, Sixth Edition
Selecting a DBMS
• Database size• Number of concurrent users• Performance• Integration• Features• Vendor• Cost
![Page 33: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/33.jpg)
Principles of Information Systems, Sixth Edition
Database Applications
![Page 34: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/34.jpg)
Principles of Information Systems, Sixth Edition
Data Warehouses
![Page 35: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/35.jpg)
Principles of Information Systems, Sixth Edition
Comparison of OLTP and Data Warehousing
![Page 36: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/36.jpg)
Principles of Information Systems, Sixth Edition
Database Developments
• Data warehouses• Data marts• Data mining
![Page 37: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/37.jpg)
Principles of Information Systems, Sixth Edition
Data Mining
![Page 38: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/38.jpg)
Principles of Information Systems, Sixth Edition
Distributed Databases
![Page 39: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/39.jpg)
Principles of Information Systems, Sixth Edition
On-Line Analytical Processing
![Page 40: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/40.jpg)
Principles of Information Systems, Sixth Edition
Open Database Connectivity (ODBC)
![Page 41: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/41.jpg)
Principles of Information Systems, Sixth Edition
Object-Relational Database Management Systems
• Stores objects• Hypermedia• Spatial data technology
![Page 42: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/42.jpg)
Principles of Information Systems, Sixth Edition
Summary
• Data - one of the most valuable resources a firm possesses
• Entity - a generalized class of objects for which data is collected, stored, and maintained
• DBMS - a group of programs used as an interface between a database and application programs
• Traditional on-line transaction processing (OLTP) - do not support the types of data analysis needed today
![Page 43: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/43.jpg)
Principles of Information Systems, Sixth Edition
Principles and Learning Objectives
• The database approach to data management provides significant advantages over the traditional file-based approach.
– Define general data management concepts and terms, highlighting the advantages and disadvantages of the database approach to data management.
– Name three database models and outline their basic features, advantages, and disadvantages.
![Page 44: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/44.jpg)
Principles of Information Systems, Sixth Edition
Principles and Learning Objectives
• A well-designed and well-managed database is an extremely valuable tool in supporting decision making.
– Identify the common functions performed by all database management systems and identify three popular end-user database management systems.
![Page 45: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/45.jpg)
Principles of Information Systems, Sixth Edition
Principles and Learning Objectives
• The number and types of database applications will continue to evolve and yield real business benefits
– Identify and briefly discuss current database applications.
![Page 46: Principles of Information Systems, Sixth Edition Organizing Data and Information Chapter 5.](https://reader036.fdocuments.in/reader036/viewer/2022062715/56649d965503460f94a7fa5a/html5/thumbnails/46.jpg)
Principles of Information Systems, Sixth Edition
End of Chapter 5