Database System Overview: Chapter 1

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What is a field in a database?

A collection of related records.
A set of one or more fields that describes a person, place, or thing.
Raw facts such as telephone numbers and customer names.
A character or group of characters that has a specific meaning. (correct)

Which database component refers to the duplication of data?

File
Record
Data redundancy (correct)
Field

What is the purpose of a record in a database?

To organize raw facts into logical groups.
To describe a person, place, or thing using fields. (correct)
To store a collection of related records.
To define and store data.

In a database system, what does the term 'data' refer to?

Raw facts like customer names and telephone numbers. (C) Signup and view all the answers

What is the function of a Database Management System (DBMS)?

Manage structure and control access to data (B) Signup and view all the answers

Who primarily uses end-user data in a database system?

Business analysts (D) Signup and view all the answers

Which component of a database system provides a description of data characteristics and relationships?

Metadata (B) Signup and view all the answers

What is the foundation of knowledge according to the text?

Raw facts - Data (D) Signup and view all the answers

What is the main role of databases in modern settings involving data management?

Reveal meaning in raw data (C) Signup and view all the answers

What type of information is essential for good decision making according to the text?

Timely, accurate, and relevant information (D) Signup and view all the answers

What is a database system primarily responsible for?

Managing data sharing (D) Signup and view all the answers

Which of the following is NOT considered one of the major parts of a database system?

Buildings (A) Signup and view all the answers

In a database system, what role does the DBMS play?

Stores data definitions in a data dictionary (C) Signup and view all the answers

What is the purpose of a data warehouse in a company?

Store data for tactical or strategic decisions (B) Signup and view all the answers

Which type of database supports only one user at a time?

Single-user database (B) Signup and view all the answers

What does a well-designed database facilitate?

Generates accurate and valuable information (A) Signup and view all the answers

Which type of data is represented in textual format by Extensible Markup Language (XML)?

Semistructured data (C) Signup and view all the answers

What is the primary responsibility of Data Dictionary Management in a DBMS?

Storing metadata and data element definitions (B) Signup and view all the answers

Who are the primary users of a database system responsible for designing the structure of the database and overseeing its management?

Database designers (C) Signup and view all the answers

What function does the DBMS perform to ensure the integrity and consistency of the data stored in the database?

Record definitions of data elements in a data dictionary (A) Signup and view all the answers

Which type of database supports multiple users at the same time?

Multiuser database (C) Signup and view all the answers

What is the purpose of an operational database within a company?

Support day-to-day operations (C) Signup and view all the answers