When you create a Microsoft Access table, Access will automatically create a primary key to your database table. Still, you can also specify the field you want as the primary key for your database ...
Like it or not, data is an integral part of any application, even cool object-oriented ones. Everything stops at the persistence layer, where Java developers traditionally have had to write complex ...
When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.