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

Database Design - Subclasses

The IR Model SpringerLink

Source Data Model - an overview

Shared database

java - Hibernates - Use of @OneToMany or @ManyToMany targeting an unmapped class exception - Stack Overflow

design - Is it ok to have a class contain a list of its parent object? - Software Engineering Stack Exchange

2.5.13 Database Design Techniques and Deliverables

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

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

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

Architectural Artifacts

Database Design Fundamentals

Database design - Wikipedia