What is aggregation in the context of data modeling?
- Breaking down a large dataset into smaller pieces
- Combining multiple entities into a single entity
- Creating relationships between entities
- Summarizing and combining data at a higher level
Aggregation in data modeling involves summarizing and combining data at a higher level. It is used to provide insights into the overall trends and patterns within a dataset, often involving the use of aggregation functions like SUM, AVG, COUNT, etc., to analyze and present data in a more meaningful way.
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