SQL - Useful Functions. SQL has many built-in functions for performing processing on string or numeric data. SQL COUNT Function - The SQL COUNT aggregate function is used to count the number of rows in a database table. SQL MAX Function - The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column.
Concept Definition. The Marginal Value is an economic term also referred to as the Marginal Benefit and Marginal Revenue. It can refer to output, consumption, or other economic choice variable. The Marginal Value is the change in the total value created by the change in quantity of the control variable.
Contributory Value. DEFINITION of 'Contributory Value'. The value contributed by a component or part to the total value of the whole. Contributory value is most commonly used in real estate to refer to the contribution made by a particular feature or component to the value of the whole property. The concept of contributory value comes from the field of value theory.