The logic within the code that determines when ... these overachieving query writers. Some database designers may feel that it’s OK to arbitrarily assign all dimensional foreign keys as part of a fact ...

When you create a Microsoft Access table, Access will automatically create a primary key to your database table, but you can also specify the field you want as the primary key for your database table.

This, or these, attribute(s) are the candidate key(s) for the structure. The candidate key is also known as the primary key, or if a structure ... entries exist simply because some code inserted it, ...

Database developers often disagree about whether it’s better to use naturally occurring data or meaningless values as a table’s primary key. Technically, there is no right or wrong to this ...