Introduction to Database Management Systems

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Questions and Answers

What is a Database Management System (DBMS)?

  • A hardware component that stores data.
  • A type of data redundancy tool.
  • An information system that manages a database. (correct)
  • A programming language used for coding applications.

What is one advantage of using a Database Management System?

  • Reduced data security
  • Increased data redundancy
  • Limited data access
  • Improved data sharing (correct)

Which of the following is NOT a major component of a Database?

  • Network Protocols (correct)
  • Data
  • Software
  • Hardware

Which component refers to the physical parts of a computer in a database system?

<p>Hardware (C)</p> Signup and view all the answers

What does the Database Access Language enable users to do?

<p>Perform CRUD operations (B)</p> Signup and view all the answers

Which of the following best describes 'Data' in the context of databases?

<p>Organized stored information (B)</p> Signup and view all the answers

What term describes the instructions used to manage a Database Management System?

<p>Procedures (A)</p> Signup and view all the answers

What does 'Data Integrity' imply in a database context?

<p>Maintaining accuracy and consistency of data (D)</p> Signup and view all the answers

Which advantage of a DBMS relates to safeguarding data against loss?

<p>Backup and Restore (A)</p> Signup and view all the answers

Which option best describes 'Software' in the context of a Database Management System?

<p>Programs that provide a user-friendly interface for data management (B)</p> Signup and view all the answers

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Study Notes

Introduction to Database

  • A database is structured data that allows for future access and updates.
  • It is utilized by various organizations to manage and manipulate data transactions.
  • Not limited to online data; can include files and folders within a File System.

Database Management System (DBMS)

  • A DBMS is a software application that facilitates interactions with a database.
  • Can be hosted on a local server or accessed remotely.

Major Components of DBMS

  • Hardware: Physical components of a computer, including storage drives, keyboard, mouse, and monitor.
  • Software: A set of programs providing a user-friendly interface for managing and manipulating databases.
  • Data: Organized stored information. Includes end-user data and metadata, which provides information about the data types and relationships.
  • Procedures: Instructions for managing the database system, including installation, backup, restore, and report generation.
  • Database Access Language: A programming language for executing commands to create, read, update, and delete (CRUD) data in a database.

Advantages of DBMS

  • Reduction of Data Redundancy: Minimizes duplicate data entries.
  • Data Integrity: Ensures accuracy and consistency of data.
  • Data Security: Protects data against unauthorized access.
  • Data Sharing: Facilitates collaborative data access among users.
  • Backup and Restore Data: Supports recovery of data in case of loss.
  • Improved Data Administration: Enhances database management and user interactions.

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