Top "Primary-key-design" questions

MongoDB and composite primary keys

I'm trying to determine the best way to deal with a composite primary key in a mongo db. The main …

mongodb composite-primary-key primary-key-design

MySQL - Using foreign key as primary key too

I have table 1 with a primary key user_id and table 2 where user_id is a foreign key. Only 1 record …

mysql foreign-keys primary-key foreign-key-relationship primary-key-design

SSAS One to Many Dimensional Relationship

Question in SSAS for y'all. I am attempting to define a One to Many relationship in an OLAP SSAS cube …

sql ssas relationship dimensions primary-key-design