3.
Which of these is not an advantage of database systems?
O Data abstraction
O Centralized data management
O Data redundancy
O Program-data independence
Answers
Answer:
management age of the database management approach is the DBMS helps to create an environment in which end users have better access to more and better manage data access makes it possible for end users to respond quickly to changes in their environment
Answer:
The correct option is A) Data abstraction
Explanation:
The Data abstraction is the reduction of a particular body or set of data into a simplified representation of the whole. Abstraction, in general, is the process of removing characteristics from something to reduce it to a set of essential elements. It is the reduction of unwanted data to get it into simplified manner and user friendly. It represents data into simple form.
A database typically requires a comprehensive database software program known as a database management system (DBMS). A DBMS serves as an interface between the database and its end users or programs, allowing users to retrieve, update, and manage how the information is organized and optimized