Foreign key for array column
99717
Foreign key constraint on array member?
62921
Check constraint references another column in same table
144063
Error Code: 1215. Cannot add foreign key constraint (foreign keys)
3575
List of foreign keys and the tables they reference in Oracle DB
118419
MySQL PHP - SELECT WHERE id = array()?
35823
How to create SQL like composite key
153310
Composite primary key from multiple tables / multiple foreign keys
100032
Friend of a friend in PHP/MySQL?
80490
Does MySQL foreign_key_checks affect the entire database?
94975
Zend Select with self join overwriting fields
138755
Designing a friendships database structure: Should I use a multivalued column?
101199
PostgreSQL foreign key not existing, issue of inheritance?
86642
Sqlite primary key on multiple columns
150019
Differences between "foreign key" and "constraint foreign key"
82726
Foreign Key (references) constraint on PostgreSQL Foreign Data Wrapper?
145311
Generate an increment ID that is unique for a given value of a foreign key
134955
Foreign key issue:ERROR 1005 (HY000): Can't create table (errno: 150)