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The vector stencils library "ERD, Chen's notation" contains 13 ERD elements.
Use it for drawing ER-diagrams using Chen's notation in the ConceptDraw PRO diagramming and vector drawing software extended with the Entity-Relationship Diagram (ERD) solution from the Software Development area of ConceptDraw Solution Park.
Entity, entity,
Weak entity
Weak entity, weak entity,
Relationship, relationship,
Identifying Relationship
Identifying Relationship, identifying relationship,
Associative Entity
Associative Entity, associative entity,
Optional participation
Optional participation,
Recursive Relationship
Recursive Relationship,
Attribute, attribute,
Key attribute
Key attribute, key attribute,
Weak key attribute
Weak key attribute, weak key attribute,
Derived attribute
Derived attribute, derived attribute,
Multivalue attribute
Multivalue attribute, multivalue attribute,

How to Draw a Scatter Diagram Using ConceptDraw PRO

Scatter Diagrams are used to visualize how a change in one variable affects another. A Scatter Diagram displays the data as a set of points in a coordinate system. It combines these values into single data points and displays them in uneven intervals. A Scatter Diagram can be very useful to for identifying relationships between variables, for example the relationship of price and quality rating. Making a Scatter Diagram involves many different elements that can be managed using ConceptDraw Scatter Diagram solution.

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.