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

entity-relationship diagram, ER-diagram, database ERD
An Entity-Relationship Diagram (ERD) is a visual presentation of entities and relationships. That type of diagrams is often used in the semi-structured or unstructured data in databases and information systems. At first glance ERD is similar to a flowch

ConceptDraw PROJECT is an effective tool for new and experienced users with a fine balance of usability and powerful functionality.

block diagram, function blocks Block Diagrams

block diagram, function blocks
Block diagrams solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils for drawing the block diagrams.