When should I create a primary key on multiple columns?
100793
What's better here - a single column or multicolumn primary key?
59139
Remove Primary Key in MySQL
57222
MS SQL "ON DELETE CASCADE" multiple foreign keys pointing to the same table?
22025
Which is better for long term database scalability: adding columns or having key/value store
58903
How is INDEX on Composite Primary Key in mysql?
82390
Mysql int vs varchar as primary key (InnoDB Storage Engine?
35823
How to create SQL like composite key
9736
How do you list the primary key of a SQL Server table?
73508
RDBMS: Proper way to store data - comma separated variables or in different fields or tables?
41314
Is there a REAL performance difference between INT and VARCHAR primary keys?
157436
how to store multiple value in column in sql server
58229
Is a table without a primary key normalized?
149602
One to at most one relation or multiple null columns?
66985
Is there a name for this database schema of key values?
47564
Foreign Key column mapped to multiple primary keys
55939
How to Handle Primary Key in Entity Framework 5 Code First
118020
Primary key or Unique index?