Not using foreign key constraints in real practice. Is it OK?
106066
Integrity constraints in a relational database - should we overlook them?
74632
Query without having to specify table's schema
100793
What's better here - a single column or multicolumn primary key?
89217
Adding Foreign Key Error
87556
How can I list all foreign keys referencing a given table in SQL Server?
39449
Database Design Best Practices
97261
Are nested transactions allowed in MySQL?
74029
What to use, CASCADE DELETE rule or ON DELETE trigger for one to many constraint?
28430
Are composite primary keys bad practice?
18944
Entity framework finding foreign keys
7693
How do I add a foreign key to an existing SQLite table?
57222
MS SQL "ON DELETE CASCADE" multiple foreign keys pointing to the same table?
74726
How can I add a foreign key when creating a new table?
54573
adding CHECK to impose constraints on more than one table
656
Foreign key constraint error 1452 in MySQL - Magento import
31820
Data inconsistency prohibition if a table refers to another via two many-to-many relationships
11985
A beginner's guide to SQL database design