Presence Check, Checks if the field is blank, Range Check, Checks if a field entry falls between two amounts, eg. Date of Birth, Type Check, Checks if a field entry is the correct category of data, eg, Text or Integer, Lookup Check, Selects data from a list of options, eg. Mr, Mrs etc.., Format Check, Checks whether the data entered fits a structure, eg. Post Code, Length Check, Checks if the data doesn't exceed the number of characters, e.g Mobile Number

Data Validation rules

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