Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
Question
Chapter 2, Problem 23RQ
Program Plan Intro

Data Independence:

  • “Data Independence” refers to the ability to modify a schema definition in one level without affecting a schema definition in different level.
  • It is a type of data transparency, which focuses for a centralised DBMS.
    • One of the biggest advantages of databases is data independence.
    • There are two levels of data independence, one is “Physical data independence” and the other one is “Logical data independence”.

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