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entity-relationship diagram, ER-diagram, database ERD Entity-Relationship Diagram (ERD)

entity-relationship diagram, ER-diagram, database ERD
Entity-Relationship Diagram (ERD) solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils from drawing the ER-diagrams by Chen's and crow’s foot notations.

IDEF9 Standard

idef9 example, idef diagram
Use Case Diagrams technology. An effective management of changes is significantly facilitated by way of definition and documenting of business-requirements.