Possible to do a MySQL foreign key to one of two possible tables? - Stack Overflow
Key joins when there are multiple foreign key relationships
sql - Database Design, Table emulating foreign keys to multiple tables - Stack Overflow
SQL Server – Create two tables with primary and foreign key with SQL code – Useful code
database design - Composite key as foreign key of multiple tables - Database Administrators Stack Exchange
database - Two foreign keys from one table - Stack Overflow
sql - Table with multiple foreign keys -- only one not null - Stack Overflow
Create multiple tables with a relationship primary key , foreign key and join multiple tables - YouTube
How to Create a Table With Multiple Foreign Keys in SQL? - GeeksforGeeks
Multiple foreign keys in table linked to same primary key in another - Microsoft Community
How to Create a Table With Multiple Foreign Keys in SQL? - GeeksforGeeks
database design - Multiple Foreign keys to a single table and single key pointing to more than one table - Stack Overflow
Primary Keys & Foreign Keys - DEV Community
database design - Multiple Foreign keys to a single table and single key pointing to more than one table - Stack Overflow
sql server - Relational Design - One table, two foreign keys or Two tables, one foreign key each - Database Administrators Stack Exchange
What is a foreign key? (with SQL examples)
Does a foreign key reference two tables? - Quora
How to Add Multiple Foreign Keys to Same Table and Not Get Confused
database design - How to write a query, with multiple foreign key in mysql - Database Administrators Stack Exchange
What is a foreign key? (with SQL examples)
