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What does the term 'data latency' refer to in a data warehouse?
What does the term 'data latency' refer to in a data warehouse?
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Practice Questions
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What does the term 'data latency' refer to in a data warehouse?
The speed of data retrieval
The time delay between data generation and its availability for analysis
The amount of data stored
The frequency of data updates
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Data latency refers to the time delay between when data is generated and when it becomes available for analysis in a data warehouse.
Questions & Step-by-step Solutions
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Q
Q: What does the term 'data latency' refer to in a data warehouse?
Solution:
Data latency refers to the time delay between when data is generated and when it becomes available for analysis in a data warehouse.
Steps: 4
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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.
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