×
You don’t have to be great to start, but you have to start to be great.
--Your friends at LectureNotes
Close

Database Management System

by Lovely KiitianLovely Kiitian
Type: NoteInstitute: KIIT University Specialization: Computer Science EngineeringOffline Downloads: 4Views: 76Uploaded: 14 days ago

Share it with your friends

Suggested Materials

Leave your Comments

Contributors

Lovely Kiitian
Lovely Kiitian
Introduction to Database System Chittaranjan Pradhan Database Management System 1 Introduction to Database System Data & Information Limitations of File-Processing Systems Database DBMS Database Types Advantages of DBMS over File System Chittaranjan Pradhan School of Computer Engineering, KIIT University 1.1
Data & Information Introduction to Database System Chittaranjan Pradhan Data & Information Limitations of File-Processing Systems • Data • Raw facts, unprocessed facts • Refers to what is actually stored • Information • Result of processing raw data • Refers to meaning of the data, understood by the user Database DBMS Database Types Advantages of DBMS over File System Data management focuses on the generation, storage & retrieval of data 1.2
Limitations of File-Processing Systems Introduction to Database System Chittaranjan Pradhan Data & Information Limitations of File-Processing Systems Database DBMS Database Types Advantages of DBMS over File System • Redundancy problem • Repetitive data • Data-inconsistency problem • Incorrectness of data • Lack of data integration • Complex and time consuming 1.3
Introduction to Database System Database Chittaranjan Pradhan • Database is a collection of interrelated data • Database is a shared, integrated computer structure that stores: • End- user data: raw facts of interest to the end-user • Meta data: through which the end-user data are integrated & managed. The metadata provides a description of the data characteristics and the set of relationships that link the data found within the database Data & Information Limitations of File-Processing Systems Database DBMS Database Types Advantages of DBMS over File System • Database is an organized collection of data of an organization or enterprise 1.4

Lecture Notes