introduction of Database
- 2. Course Objectives Introduction to Very basics Guides through Different design stages Familiarize with a tool Emphasis on Design stages of Databases
- 4. Lecture Overview Database Definition Comparison with the prior Data Processing approach Pros & Cons of Databases
- 5. What is a Database
- 6. Database Def-1 A database is a shared collection of logically related data that is stored to meet the requirements of different users of an organization
- 7. Database Def-2 A database is a self-describing collection of integrated records
- 8. Database Def-3 A database models a particular real world system in the computer in the form of data
- 9. The concept of a shared organizational database Accounting Accounts Payable Accounts Receivable Management ControlPlanning Manufacturing ProductionScheduling Marketing Product Development Sales Corporate Database
- 10. A bit of History Computer initially used for computational/ engineering purposes Commercial applications introduced File Processing System
- 11. File Processing System A collection of programs that perform services for the end-users such as production of reports
- 12. File Processing Systems Program and Data Interdependence Registration Applications Registration Data Files Registration Examination Applications Examination Data Files Examination Library Applications Library Data Files Library
- 13. Fine Books Issued Father Name Name Reg_Number Library Grade Semester Class Address Name Reg_Number Examination Class Address Phone Father Name Name Reg_Number Registration File Processing Systems Duplication of Data Vulnerable to Inconsistency
- 14. Advantages of Database Approach RegistrationExamination Library Applications Library Examination Applications Registration Applications Database Management System University Students Database - Data Sharing - Data Independence - Controlled Redundancy - Better Data Integrity First Lecture Ends