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What does the term 'data latency' refer to in a data warehouse?

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Question: What does the term \'data latency\' refer to in a data warehouse?

Options:

  1. The speed of data retrieval
  2. The time delay between data generation and its availability for analysis
  3. The amount of data stored
  4. The frequency of data updates

Correct Answer: The time delay between data generation and its availability for analysis

Solution: 

Data latency refers to the time delay between when data is generated and when it becomes available for analysis in a data warehouse.

What does the term 'data latency' refer to in a data warehouse?

Practice Questions

Q1
What does the term 'data latency' refer to in a data warehouse?
  1. The speed of data retrieval
  2. The time delay between data generation and its availability for analysis
  3. The amount of data stored
  4. The frequency of data updates

Questions & Step-by-Step Solutions

What does the term 'data latency' refer to in a data warehouse?
Correct Answer: Data latency is the time delay between data generation and its availability for analysis.
  • Step 1: Understand that data is created or generated from various sources, like transactions or sensors.
  • Step 2: Recognize that this data needs to be collected and processed before it can be used.
  • Step 3: Identify that data latency is the time it takes from when the data is created to when it is ready for analysis.
  • Step 4: Realize that lower data latency means data is available for analysis more quickly, while higher latency means a longer wait.
  • Data Latency – The time delay between data generation and its availability for analysis in a data warehouse.
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