OpenTechBook
  • Home
  • Open Books
    • All Open Books

    • Free eBooks
    • Free Magazines
    • Free Journals

    • Submit an Open Book
  • Quizzes
Home » Quiz » Data Modelling Quiz

_______ is a technique used to combine multiple rows of data into a single row.

Difficulty level
  • Aggregate
  • Join
  • Pivot
  • Unpivot
The technique used to combine multiple rows of data into a single row is called aggregation. This often involves using aggregate functions like SUM, AVG, COUNT, etc., to consolidate data and provide a more concise representation of information.
Add your answer
Loading...
Facebook Twitter Linkedin Reddit Pinterest
Data Modelling Quiz
Quiz
_______ databases are designed to scale horizontally, making them suitable for applications with high scalability requirements.
What is the difference between a weak and a strong entity in terms of relationships?

Related Quiz

  • Scenario: An e-commerce website needs to store product information, including details like name, price, description, and customer reviews. The website experiences heavy read traffic due to frequent product searches. Which type of database would be most appropriate for this use case?
  • What is the role of compression techniques in storage optimization?
  • In a star schema, what is the relationship between fact and dimension tables?
  • What does SQL stand for in the context of data modeling languages?
  • How does partitioning contribute to storage optimization in distributed databases?

Leave a commentCancel

Your email address will not be published. Required fields are marked *

Hot Quiz

PHP QuizPython QuizNode.js QuizASP.NET Core QuizData Science Statistics QuizADO.NET QuizCheckpoint QuizServlet QuizData Modelling QuizDatabase Testing QuizAPI Testing QuizBootstrap QuizAlgorithm QuizCommvault QuizAdobe Experience Manager QuizCOBOL QuizCCNA QuizAppium QuizData Engineer QuizSpring Boot Quiz
Copyright © 2025 Open Tech Book
  • About
  • Contact
  • FAQ
  • DMCA
  • Disclaimer
  • Privacy Policy