database management introduction

1. Database Management: Introduction Ray R. Larson University of California, Berkeley School of Information IS 257: Database Management

11. What is a Database? ?

21. Database Environment CASE Tools DBMS User Interface Application Programs Repository Database

22. Database Components DBMS =============== Design tools Table Creation Form Creation Query Creation Report Creation Procedural language compiler (4GL) ============= Run time Form processor Query processor Report Writer Language Run time User Interface Applications Application Programs Database Database contains: User’s Data Metadata Indexes Application Metadata

24. PC Databases E.G. Access FoxPro Dbase Etc.

25. Centralized Databases Cental Computer

26. Client Server Databases Network Client Client Client Database Server

27. Distributed Databases computer computer computer Location A Location C Location B Homogeneous Databases

28. Distributed Databases Local Network Database Server Client Client Comm Server Remote Comp. Remote Comp. Heterogeneous Or Federated Databases

38. Models (1) Conceptual Model Logical Model External Model Conceptual requirements Conceptual requirements Conceptual requirements Conceptual requirements Application 1 Application 1 Application 2 Application 3 Application 4 Application 2 Application 3 Application 4 External Model External Model External Model Internal Model

45. Database System Life Cycle Growth, Change, & Maintenance 6 Operations 5 Integration 4 Design 1 Conversion 3 Physical Creation 2

46. The “Cascade” View See Hoffer, p. 41 Project Identifcation and Selection Project Initiation and Planning Analysis Logical Design Physical Design Implementation Maintenance

53. Another View of the Life Cycle Operations 5 Conversion 3 Physical Creation 2 Growth, Change 6 Integration 4 Design 1