An attribute in a data model that does not directly correspond to a column in a database. Derived attributes are usually calculated from a SQL expression.
A value that is derived by some algorithm from the values of other attributes; for example, profit, which is the difference between revenue and expense.
An attribute that derives its value, by an algorithm, from the values of other attributes. For example, profit, which is the difference between income and costs. See also derived column and derived field.