#ERD

Опубликовано: 29 Июль 2026
на канале: Tech Educators
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#ERD #ERDiagram #DBMS Participation Constraints in ER Diagram
Total Participation − Each entity is involved in the relationship. Total participation is represented by double lines. Partial participation − Not all entities are involved in the relationship. Partial participation is represented by single lines.

Source: Database System Concepts | 6th Edition Book by Henry F Korth