Matching Pairs Data ValidationOnline version Types of validation by Miss Butler 1 Check digit 2 Range check 3 Presence check 4 Lookup table 5 Format check 6 Length check 7 Spell check checks the data is in the right format looks up acceptable values in a table checks that a value falls within the specified range the last one or two digits in a code are used to check the other digits are correct looks up words in a dictionary checks the data isn't too short or too long checks that data has been entered into a field
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