presencecheck - Validation that checks a field is not empty, size - The number of characters allowed in a field, record - A row in a database, primary - The key that uniquely identifies a record, foreign - The key that links two tables together, relational - The type of database made up of 2 or more linked tables, restrictedchoice - The validation that only allows certain values to be entered, currency - The data type for money, boolean - The data type for true or false, rangecheck - The validation that makes sure values entered are within a certain range,

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