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Types of validation

Types of validation. By Paris Alderman . Range check. Checks that a value is in a given range. . Length check . Checks that a value has a certain maximum length. . Lookup check . Checks that data takes one of a set of predefined values . Presence check .

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Types of validation

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  1. Types of validation By Paris Alderman

  2. Range check Checks that a value is in a given range.

  3. Length check Checks that a value has a certain maximum length.

  4. Lookup check Checks that data takes one of a set of predefined values

  5. Presence check Ensures that data is entered in to a field.

  6. Format check Checks that individual characters within the data are valid.

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