Primary key vs foreign key | Luna Modeler for data modeling
Add foreign keys
SQL Query to Drop Foreign Key Constraint Using ALTER Command - GeeksforGeeks
FOREIGN KEY Constraints in SQL Server – SQLZealots
MySQL Foreign Keys: A Step by Step Visual Guide – RTL Coding
sql - Add a Foreign Key in PgAdmin - Stack Overflow
Cannot pass "Each foreign key column should have the same name as the column it is referencing" in celestial bodies project - Backend Development - The freeCodeCamp Forum
Data Modeler: Foreign Key Create New Column vs Use Existing
MySQL Foreign Key
Primary and foreign keys in MySQL projects - Datensen
How to add a foreign key using ALTER in MySQL - GeeksforGeeks