IDEF1 standard

Use Case Diagrams technology. Using visual graphical objects IDEF1 standard allows to model information interrelations.

IDEF1X Standard

Use Case Diagrams technology. IDEF1x standard - for work with relational data bases. IDEF1x standard is meant for constructing of conceptual schemes which represent the structure of data in the context of the concerned system, for example, a commercial organization.