Entity Relationship Diagrams and Big Data Challenges Quiz
15 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the correct order of the dimensions of knowledge from lowest to highest?

  • Wisdom, Knowledge, Information, Data
  • Data, Information, Knowledge, Wisdom (correct)
  • Wisdom, Information, Knowledge, Data
  • Data, Knowledge, Information, Wisdom

Which form of knowledge involves know-how, craft, and skill?

  • Tacit knowledge (correct)
  • Explicit knowledge
  • Situational knowledge
  • Implicit knowledge

What is the main advantage of using the web for database access?

  • Inexpensive to add Web interface to system
  • Ease of use of browser software
  • Few or no changes to database required
  • All of the above (correct)

What does data administration establish policies and procedures to manage?

<p>Data (B)</p> Signup and view all the answers

What is the role of database administration?

<p>Creating and maintaining databases (D)</p> Signup and view all the answers

Where is explicit knowledge typically located?

<p>In databases and the Web (A)</p> Signup and view all the answers

What is the main purpose of an Entity Relationship Diagram (ERD)?

<p>To document the data model and illustrate relationships between entities (B)</p> Signup and view all the answers

What is the main challenge posed by Big Data?

<p>Massive sets of unstructured/semi-structured data from various sources (C)</p> Signup and view all the answers

What is the purpose of a Data Warehouse?

<p>To store current and historical data from core operational transaction systems (A)</p> Signup and view all the answers

What is the primary function of Data Mart?

<p>To summarize or focus a portion of data for specific users (A)</p> Signup and view all the answers

What does Hadoop enable?

<p>Distributed parallel processing of big data across inexpensive computers (C)</p> Signup and view all the answers

What is the role of Data Cleansing?

<p>To detect and correct data that are incorrect, incomplete, improperly formatted, or redundant (A)</p> Signup and view all the answers

What is the main purpose of Web Mining?

<p>Discovery and analysis of useful patterns and information from the Web (A)</p> Signup and view all the answers

What does Online Analytical Processing (OLAP) support?

<p>Multidimensional data analysis (B)</p> Signup and view all the answers

What is the main role of a Knowledge Management System?

<p>Collective and individual experience of applying knowledge to solve problems (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser