LearnPick Navigation
Close

Introduction To Database

Published in: DBMS & RDBMS
11,472 views
  • Rashmi V

    • Noida
    • 7 Years of Experience
    • Qualification: MCA
    • Teaches: IT, Computer Science, B.Sc Tuition, BCA Tuition, N...
  • Contact this tutor

This ppt has basic defintion of DBMS.

  • 1
    DATABASE MANAGEMENT SYSTEM
  • 2
    What is DBMS ? The DBMS provides users and programmers a systematic way to create, retrieve, update and manage database.
  • 3
    DIFFERENCE BETWEEN DATA ,DATABSE AND DBMS Data —The collection of related facts and O figure is called Data. DataBase:- Collection of related data is O called database. DataBase Management System:- Software O used to maintain database is called database management system.
  • 4
    ADVANTAGES Multiple user interfaces:- Many user can O access similar database. Redundancy control:- No double copy is O permitted. Backup and Recovery :- DBMS provides O backup after failure. Authorized Access:- Only authorized users O can access database.
  • 5
    DBMS PROVIDES ABSTRACTIONS Abastraction means hiding details. O Physical Level:- this level specifies how data O is stored in memory. Logical Level:- what data has been stored O and what is the relationship among them. View Level:- It just provide view of data does O not specify storage of data.
  • 6
    DBMS SOME IMPORTANT TERMS o Schema:- The design of database,called schema. Physical schema:- The design of database at O physical level is called,physical schema. Logical schema:-The design of database at O logical level is called,logical schema.
  • 7
    DBMS SOME IMPORTANT TERMS o Instance:- Values of data within database at particular moment is called instance. Data independence:-The capability to make O changes at one level without affecting another level is called Data independence. o Physical data independence:- Capabilty to make changes at physical level without affecting logical level.
  • 8
    THANKS!
Copyright Infringement: All the contents displayed here are being uploaded by our members. If an user uploaded your copyrighted material to LearnPick without your permission, please submit a Takedown Request for removal.

Need a Tutor or Coaching Class?

Post an enquiry and get instant responses from qualified and experienced tutors.

Post Requirement

Related PPTs

Query submitted.

Thank you!

Drop Us a Query:

Drop Us a Query