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 week 7

database design - Modeling an either/or relationship - Database Administrators Stack Exchange

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

database - SQL sub-types with overlapping child tables - Stack Overflow

Advanced View Object Techniques

Text Books, PDF, Databases

An Object-Oriented Database Model Approach For The Logical Design Of A Customer Order Entry System

Shared database

database design - Representing a Superclass/Subclass (or Supertype-Subtype) relationship in a MySQL Workbench diagram - Database Administrators Stack Exchange

database design - Is it OK to have an entity in an ER diagram without a relationship? - Database Administrators Stack Exchange

database design - How to model inheritance of two tables MySQL - Database Administrators Stack Exchange

Architectural Artifacts

database design - Don't know how to transform variable entity into relational table - Database Administrators Stack Exchange

database design - How to create a relationship between one table and multiple other entities - Database Administrators Stack Exchange