Presence check - Checks that data has been entered and not missed out., Length check - Checks that the correct number of characters has been entered., Range check - Performed on numbers to check they are within certain ranges., Type Check - To check if the type of data entered is correct, Format Check - Makes sure that data is in a specific format., Double entry - The same data is required to be entered twice, Proof Reading - Once data has been entered it will be checked to see if it is correct, Data Validation - Restricting data entry to ensure the data is sensible, Data Verification - Checking data to ensure it is correct, Data Integrity - Accuracy and correctness of data,

Data Integrity, Validation & Verification

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