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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]
DBMS Architectures ,[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]
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

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Database Design Slide 1

  • 1. Database Systems Basic Concepts Dr. Ali H. El-Bastawissy Faculty of computers and Informatics Cairo University
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7. Database System Environment Application Programs/Queries Software: Query Processing & Programs Software: Data Access DBMS Software Database System Users/Programmers Database Definition Database
  • 8.  
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16. Physical Models Categories of Data Models Conceptual Models Entities, attributes & relationships Implementation Models Record Structures Record formats, record orderings, access paths
  • 17.
  • 18. Three-Schema Architecture External View #1 External View #2 External View #n Conceptual Schema Internal Schema mapping mapping Stored database ...
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25. Logical two-tier client server architecture
  • 26.
  • 27.
  • 28.
  • 29.  
  • 30.
  • 31.
  • 32. Questions Dr. Ali H. El-Bastawissy Faculty of computers and Informatics Cairo University DB Unit 01 Intro Finish Line