A Field That Cannot Be Left Blank When You Create

question 90

Multiple Choice

A field that cannot be left blank when you create a new record is a:

• A)required field.
• B)default value.
• C)validation rule.
• D)data macro.

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Definitions:

Cramer's Rule

A mathematical theorem used to solve systems of linear equations with the same number of equations as unknowns, using determinants.

System of Linear Equations

A group of one or more linear equations that share a common set of variables.

Row-echelon Form

A form of a matrix where all nonzero rows are above any rows of all zeroes, and each leading entry of a row is to the right of the leading entry of the previous row.

Matrix

A rectangular array of numbers, symbols, or expressions, arranged in rows and columns, used in linear algebra.