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Introduction Example databases Overview of concepts Why use database systems
Example Databases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example Databases (contd.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The basic Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object]
Client/Server-Architecture Database Database Management System Interpreter for ad-hoc queries End user Clients Server Application Programs Application Programmer Database Administrator
Example DBMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Who wants to study databases? ,[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],[object Object],[object Object]
Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],sid  name  login age gpa 31  Raja  raj  22  3.4 34  Rani  ran  21  3.3 Students ,[object Object],[object Object]
Data Models (contd.) ,[object Object],[object Object],[object Object]
Example: University Database Students sid name login age gpa Enrolled Courses cid cname credits grade sid  name login age gpa cid  cname credits sid  cid   grade Students Enrolled Courses Entity Relationship Relation Relation Relation Entity
Querying Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Storage and Data Access ,[object Object],[object Object],[object Object],[object Object],[object Object],Query Optimization And Execution Relational Operators Files and  Access Methods Buffer Management Disk Space  Management DB
Transaction Management: Controlling the Database Access ,[object Object],[object Object],[object Object],[object Object]
Transactional Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why use a DBMS?   (instead of files) ,[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]
Why use a DBMS? (contd.)   (instead of files)  ,[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],[object Object],[object Object]
Emphasis of the Course ,[object Object],[object Object],[object Object],[object Object]
Levels of Abstraction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],View 1 View 2 View 3 Conceptual Schema Physical Schema
Example: University Database ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Independence ,[object Object],[object Object],[object Object]

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DBMS an Example

  • 1. Introduction Example databases Overview of concepts Why use database systems
  • 2.
  • 3.
  • 4.
  • 5. Client/Server-Architecture Database Database Management System Interpreter for ad-hoc queries End user Clients Server Application Programs Application Programmer Database Administrator
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Example: University Database Students sid name login age gpa Enrolled Courses cid cname credits grade sid name login age gpa cid cname credits sid cid grade Students Enrolled Courses Entity Relationship Relation Relation Relation Entity
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.