1. A method for executing a command in a computing environment to perform a database operation utilizing a computerized representation of a functional system, the method comprising the steps of: electronically storing a set of data entities in a database system, the data entities representing elements of the functional system; electronically storing a computerized representation of a functional system syntax, wherein the functional system syntax can be applied by a computer processor to validate expressions of elements of the functional system based on one or more functional attributes; wherein the functional attributes are properties of the elements of the functional system, and wherein the elements are electronically represented by the data entities in the computerized representation of a functional information system; wherein the functional information system electronically retrieves data entities in the database system according to functional relationships among the elements defined by roles of the elements in converting inputs to outputs in the functional information system; and enabling data creating, reading, updating, and deleting operations on the data entities in the data store.