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By @markusspiske

Chapter 5: Managing Data Difficulties and Sources

Created by RestoredUranus

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Questions and Answers

What is the primary purpose of a Primary Key in a database?

Uniquely identifies a record so it can be retrieved

Which type of data is described as being difficult to manage using traditional database management systems?

Big data

What does a Data Dictionary provide information on in a database?

Each attribute such as name, key status, etc.

What is the main characteristic of Explicit knowledge in an organization?

<p>Consists of technical types of knowledge</p> Signup and view all the answers

In the context of databases, what is the purpose of a Foreign Key?

<p>Uniquely identifies a row of another table</p> Signup and view all the answers

What does an Entity-Relationship Diagram (ERD) help with in database planning?

<p>Illustrating associations between entities</p> Signup and view all the answers

What is the correct order of data storage sizes from largest to smallest?

<p>Kilobyte -> Megabyte -> Gigabyte -> Terabyte</p> Signup and view all the answers

Which of the following best describes master data?

<p>A set of core data such as customer, product, employee, vendor, and geographic location</p> Signup and view all the answers

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

<p>To provide users with tools to create and manage a database</p> Signup and view all the answers

Which of the following best describes an instance in the context of a database?

<p>A specific, unique representation of the entity</p> Signup and view all the answers

Which of the following is NOT a source of data mentioned in the text?

<p>Social media posts and online forums</p> Signup and view all the answers

What does the term data model refer to in the context of a database?

<p>A diagram that represents entities in the database and their relationships</p> Signup and view all the answers

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