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What is a dimension table in a data warehouse?

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Question: What is a dimension table in a data warehouse?

Options:

  1. A table that stores transactional data
  2. A table that contains descriptive attributes
  3. A table that holds metadata
  4. A table that indexes data

Correct Answer: A table that contains descriptive attributes

Solution: 

Dimension tables contain descriptive attributes that provide context to the facts stored in the fact tables.

What is a dimension table in a data warehouse?

Practice Questions

Q1
What is a dimension table in a data warehouse?
  1. A table that stores transactional data
  2. A table that contains descriptive attributes
  3. A table that holds metadata
  4. A table that indexes data

Questions & Step-by-Step Solutions

What is a dimension table in a data warehouse?
Correct Answer: Dimension table woh hoti hai jo descriptive attributes rakhti hai.
  • Step 1: Understand that a data warehouse is a system used for reporting and data analysis.
  • Step 2: Know that data in a data warehouse is organized into tables.
  • Step 3: Identify that there are two main types of tables: fact tables and dimension tables.
  • Step 4: Recognize that fact tables store numerical data or measurements (like sales amounts).
  • Step 5: Learn that dimension tables store descriptive information (like product names or customer details) that help explain the facts.
  • Step 6: Realize that dimension tables provide context to the data in fact tables, making it easier to understand and analyze.
  • Dimension Table – A table in a data warehouse that contains descriptive attributes related to the facts, providing context for analysis.
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