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Granularity of data items refers to the levels of detail that are captured when data is stored. The higher the granularity, the more detailed and specific the information becomes. This can have a significant impact on concurrency control because it may become difficult to process large amounts of data if it isn’t organized in a way that makes sense.
Most databases store data at either a lower or upper level of granularity. Lower-level storage generally corresponds to less detailed records while upper-level storage captures greater detail than lower level storage does. When working with larger volumes or sets of data, it can be difficult to manage transactions if they aren’t processed at an appropriate level of granularity.
When designing your database, consider how you will need to organize and query your data in order for transactions to run smoothly and efficiently.
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