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Flat Files and Legacy Systems Quiz

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Questions and Answers

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 Signup and view all the answers

What is the significance of a Database Dictionary in a database system?

Describes every data element in the database Signup and view all the answers

What is the purpose of the Physical Database in a database environment?

Exists at the physical form Signup and view all the answers

What are the three problems associated with flat files?

Data Storage, Data Updating, Currency of Information Signup and view all the answers

How does a Database Management System (DBMS) address the problems of flat files?

By centralizing data, authorizing access, and determining user data access rights. Signup and view all the answers

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. Signup and view all the answers

Why is data redundancy a significant issue in flat files?

Data redundancy occurs due to replication of the same data in multiple files. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers