Why would someone not use Foreign Keys in a MySQL database?
60528
What's wrong with foreign keys?
155601
In SQL, is it OK for two tables to refer to each other?
138755
Designing a friendships database structure: Should I use a multivalued column?
72905
MySQL incorrect key file for tmp table when making multiple joins
100793
What's better here - a single column or multicolumn primary key?
74726
How can I add a foreign key when creating a new table?
26537
Possible to do a MySQL foreign key to one of two possible tables?
97744
Setting up foreign keys in phpMyAdmin?
28430
Are composite primary keys bad practice?
155773
The foreign key associated with column 'x.y' could not ... generate a foreign key to target column 'None'
64397
Why are the passwords in MySQL (5.x) not salted?
97440
How to list table foreign keys
75027
Why is using a mysql prepared statement more secure than using the common escape functions?
139969
How to represent it with UNIQUE indexes and foreign keys?
23439
Why use an int as a lookup table's primary key?
30463
Are you allowed to use numbers as table names in MySQL?
106984
Why doesn't this MySQL update work?