12 Questions
What is the key function of a Database Management System (DBMS)?
Controlled environment to efficiently manage data resource
What is the purpose of the Data Definition Language in a database environment?
Defines the database to the DBMS
What is the role of a Database Administrator (DBA) in managing a database resource?
Responsible for managing database resource
Why is the Query Language important in a database environment?
Allows users to input, retrieve, and modify data
What is the significance of a Database Dictionary in a database system?
Describes every data element in the database
What is the purpose of the Physical Database in a database environment?
Exists at the physical form
What are the three problems associated with flat files?
Data Storage, Data Updating, Currency of Information
How does a Database Management System (DBMS) address the problems of flat files?
By centralizing data, authorizing access, and determining user data access rights.
What is the main difference in data management approach between Legacy Systems and DBMS?
Legacy Systems follow a single user view approach, while DBMS centralizes data for shared access.
Why is data redundancy a significant issue in flat files?
Data redundancy occurs due to replication of the same data in multiple files.
What is the impact of task data dependency in flat file systems?
Task Data Dependency limits users' ability to obtain additional information as their needs change.
How does a DBMS validate and authorize access to the database?
A user's program sends a request for data, which the DBMS validates and authorizes based on user authority.
Test your knowledge on flat files and legacy systems, including the concepts of single user view approach, data redundancy, and lack of data integration. Explore the challenges related to data storage and data management in legacy systems.
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