What is the role of a dimension table in a data warehouse?
Practice Questions
1 question
Q1
What is the role of a dimension table in a data warehouse?
To store transactional data
To provide context to fact data
To manage user access
To perform data cleansing
Dimension tables provide context to the fact data, allowing users to analyze the facts in relation to various attributes.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the role of a dimension table in a data warehouse?
Solution: Dimension tables provide context to the fact data, allowing users to analyze the facts in relation to various attributes.
Steps: 5
Step 1: Understand that a data warehouse stores large amounts of data for analysis.
Step 2: Know that data in a warehouse is often organized into two main types: fact tables and dimension tables.
Step 3: Recognize that fact tables contain the main data or metrics that you want to analyze, like sales amounts or quantities.
Step 4: Learn that dimension tables provide additional information about the facts, such as who made the sale, when it happened, or where it took place.
Step 5: Realize that dimension tables help users understand the facts better by adding context, making it easier to analyze data based on different attributes.
