What is Data Integrity ? What is ALCOA?

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Data Integrity refers to the accuracy and consistency of data throughout its lifecycle. ALCOA is a set of principles for ensuring data integrity.

Data Integrity ensures that data is accurate, complete, and reliable.
ALCOA stands for Attributable, Legible, Contemporaneous, Original, and Accurate.
Attributable - All data should be attributable to the person who created or modified it.
Legible - Data should be clear and easy to read.
Contemporaneous - Data should be recorded at the time it is observed.
Original - Data should be the first recording of an observation.
Accurate - Data should be error-free and reflect the true observation.
Examples: Ensuring that electronic records are secure and cannot be altered, maintaining proper documentation of all changes made to data.

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