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Introduction to Data, Information, and Database Management System

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Introduction to Data, Information, and Database Management System

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Questions and Answers

What is the primary function of a data dictionary in a DBMS?

Storing data and related data entry forms

Enforcing integrity rules and minimizing data redundancy

Managing data security and access control

Storing definitions of data elements and their relationships (correct)

Which function of a DBMS is especially important in multiuser database systems?

Data security management (correct)

Database communication interfaces

Data integrity management

Backup and recovery management

What is the purpose of multiuser access control in a DBMS?

To manage data security and access control

To allow multiple users to access the database concurrently without compromising its integrity (correct)

To store data and related data entry forms

To accept end-user requests via multiple network environments

What does data storage management in a modern DBMS include, in addition to storing data?

Storage for related data entry forms or screen definitions Signup and view all the answers

Which feature of a DBMS is essential in ensuring the safety and integrity of the database after a failure?

Backup and recovery management Signup and view all the answers

What is the main role of a data processing specialist in a file based system?

Creating necessary computer file structures and managing the data within structures Signup and view all the answers

What does a database Management System (DBMS) allow users to do?

Store, process, and analyze data easily Signup and view all the answers

What is the self-describing nature of a database system?

The DBMS catalogue stores the description of the database (meta-data) Signup and view all the answers

What is the purpose of insulation between programs and data in a database system?

Program-data independence Signup and view all the answers

What distinguishes file based systems from database Management Systems (DBMS)?

The decentralized approach of each department storing and controlling its own data Signup and view all the answers