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Database Management Systems Chapter 1. Introduction What is a database? What is a database management system (DBMS)? Remind me to tell you about this:

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Presentation on theme: "Database Management Systems Chapter 1. Introduction What is a database? What is a database management system (DBMS)? Remind me to tell you about this:"— Presentation transcript:

1 Database Management Systems Chapter 1

2 Introduction What is a database? What is a database management system (DBMS)? Remind me to tell you about this: http://msdn.microsoft.com/vstudio/express/v wd/

3 Database development Challenges Conserving space Retrieving data rapidly Sharing data Providing backup and recovery

4 Application Development Feasibility – identify scope, costs, and schedule Analysis – gather information from users Design – define tables, relationships, forms, reports Development – create forms, reports, and help; test Implementation – transfer data, install, train, review

5 Components of DBMS Database engine Data dictionary Query processor Report writer Forms generator Application generator Communication and Integration facilities Security facilities

6 Advantages of DBMS Minimal data redundancy Data consistency Integration of data Sharing of data Enforcement of standards Ease of application development Uniform security, privacy, and integrity Data independence

7 Brief History of DBMS Hierarchical databases Network databases Relational databases Object-oriented databases

8 Object Oriented For more information visit this website: http://java.sun.com/docs/books/tutorial/jav a/concepts/index.html


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