database design - Can a sublass have two parents (two entity types that are connected with it?) - Database Administrators Stack Exchange

I'm kind of new to ERDs and stuff, just wondering if I'm correct when my (conceptual) entity relationship diagram has two entity types connected to one subclass (so the subclass inherits data from

Chapter 4 - Enhanced Entity-Relationship (EER) Modeling Flashcards

sql - Designing database with entity relations - Stack Overflow

sql - Setup Many-to-Many tables that share a common type - Stack Overflow

Developing Architecture Views

How to identify a strong vs weak relationship on ERD? - Stack Overflow

mysql - Database Best Practice with multiple similar entities - Stack Overflow

M.sc. engg (ict) admission guide database management system 4

15.8. Inheritance

Information, Free Full-Text

database design - Modeling Subclass (or Subtype) Constraints in an Entity-Relationship Diagram - Database Administrators Stack Exchange