Chapter 1 IS 230 - King Saud University College of Computer...

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19/12/1437 >#< 1 Introduction to Database Systems Fall 2016 Dr. Ahmed Emam [email protected] [email protected] King Saud University College of Computer and Information Sciences Department of Information Systems Main Topics 1. Types of Databases and Database Applications 2. Basic Definitions 3. Typical DBMS Functionality 4. Example of a Database (UNIVERSITY) 5. Main Characteristics of the Database Approach 6. Database Users 7. Advantages of Using the Database Approach 8. When Not to Use Databases
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19/12/1437 >#< 2 Types of Databases and Database Applications Traditional Applications: Numeric and Textual Databases More Recent Applications: Multimedia Databases Geographic Information Systems (GIS) Real-time and Active Databases Data warehouses and online analytical processing (OLAP) systems Extract and analyze useful business information from very large databases Support decision making Real-time and active database technology Control industrial and manufacturing processes Basic Definitions Data : Known facts that can be recorded and have an implicit meaning. Database : A collection of related data. Mini-world: Some part of the real world about which data is stored in a database. For example, student grades and transcripts at a university. Database Management System (DBMS): A software package/ system to facilitate the creation and maintenance of a computerized database. Database System : The DBMS software together with the data itself. Sometimes, the applications are also included.
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