Database Design Slide 1

Database Systems Basic Concepts Dr. Ali H. El-Bastawissy Faculty of computers and Informatics Cairo University

Unit01 Outlines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Definitions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Database Systems ,[object Object],Payroll Grades Schedules Data Definition

Characteristics of the Database Approach ,[object Object],[object Object],[object Object],DB A collection of described and interrelated data stored and managed by general purpose DBMS

DBMS Functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Database System Environment Application Programs/Queries Software: Query Processing & Programs Software: Data Access DBMS Software Database System Users/Programmers Database Definition Database

Database Players ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DBMS Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classification of DBMSs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Areas of Database Study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],When not to use a DBMS

[object Object],[object Object],[object Object],When not to use a DBMS

Data Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Physical Models Categories of Data Models Conceptual Models Entities, attributes & relationships Implementation Models Record Structures Record formats, record orderings, access paths

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Categories of Data Models

Three-Schema Architecture External View #1 External View #2 External View #n Conceptual Schema Internal Schema mapping mapping Stored database ...

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Three-Schema Architecture

Three-Schema Architecture ,[object Object],[object Object],[object Object]

Data Independence ,[object Object],[object Object]

DBMS Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DBMS Architectures ,[object Object],[object Object],[object Object]

DBMS Architectures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Logical two-tier client server architecture

Clients ,[object Object],[object Object],[object Object],[object Object]

DBMS Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions Dr. Ali H. El-Bastawissy Faculty of computers and Informatics Cairo University DB Unit 01 Intro Finish Line

Database Design Slide 1

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Database Design Slide 1