Surrogate foreign keys allow inconsistent data - which normal form does this violate?
54977
Many to Many and Weak Entities
97744
Setting up foreign keys in phpMyAdmin?
50167
Is there any reason for an index to contain the primary key?
97261
Are nested transactions allowed in MySQL?
155773
The foreign key associated with column 'x.y' could not ... generate a foreign key to target column 'None'
26856
How do I specify unique constraint for multiple columns in MySQL?
21424
How do I generate a pivoted CROSS JOIN where the resulting table definition is unknown?
155109
Foreign key constraint may cause cycles or multiple cascade paths?
121635
Does SOQL join not respect OWD /sharing settings?
155601
In SQL, is it OK for two tables to refer to each other?
133877
How to Identify the primary key duplication from a SQL Server 2008 error code?
34609
How can I define a composite primary key in SQL?
44786
Primary key for link/junction table with time-dependent data
77984
Changing MySQL primary key when foreign key contraints exist
145311
Generate an increment ID that is unique for a given value of a foreign key
20394
Renaming foreign-key columns in MySQL
131790
SQL Server update primary key that's also a foreign key in two tables