A surrogate is, “One appointed to act in place of another.” A surrogate key is appointed to act in place of a natural key. Why? Well, one could argue that surrogate keys existed since the beginning of ...

The original intention of surrogate keys across multidimensional database designs was to help optimize joins by keeping all keys, used for joining between facts and dimensions, both numeric and single ...

We are rewriting a large Django application which uses a MySQL database, and the database schema needs to undergo major modifications. We're also porting the app to use PostgreSQL, for a couple of ...