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Lesson 6 Diagramming types of participation
Objective Identify the symbols for diagramming types of participation.

Diagramming types of participation

DB Participation Types
The following Slide Show portrays a 1:1, 1:N, and resolved M:N relationship respectively, but this time with types of participation included on the diagram:

  1. 1:1 relationship with participation symbols
  2. 1:N relationship with participation symbols
  3. M:N relationship with participation symbols.

Crows Foot Diagram
The next lesson discusses the importance of meeting again with the database's eventual end users to determine if any revisions to the completed ER diagram are needed.

ER Diagram Participation - Exercise

ER Diagram Participation - Exercise
Before moving on to the next lesson, click the Exercise button to check your mastery of relationship constructs and participation symbols.