Types of validation

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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 . - PowerPoint PPT Presentation

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Types of validationBy 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

Ensures that data is entered in to a field.

Format check

Checks that individual characters within the data are valid.

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