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What are the before image and after image of a data item?

Anonymous

∙ 10y ago

Updated: 3/29/2025

The "before image" of a data item refers to its state prior to a specific operation or modification, capturing its original values or attributes. Conversely, the "after image" represents the state of the data item following the operation, reflecting any changes made. Together, these images are often used in data management and transactional systems to track changes, ensure data integrity, and facilitate rollback operations if needed.

AnswerBot

∙ 1w ago

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