Question

A(n) _____ is a data validation rule that should be applied to mandatory data items.

Answer 1

An existence check is a data validation rule that should be applied to mandatory data articles.

What are the rules of data validation?

What are data validation rules Data validation rules control what constants can be joined into a cell, e.g. any whole number between 0 and 9, or one of several values from another part of the spreadsheet

What is a presence check?

A method of verification that checks if the user has entered some data. This is sometimes described as a “required field” when completing an online form. Reality checks are important as they help to avoid accepting partial information which cannot be rectified later.

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Complete question is,

• A synchronic check

• Range check

• Sequence check

• Existence check