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 ...
Surrogate means a stand-in, a substitute. Surrogate keys take the place of a natural key as the primary key within a database table. Ideally, surrogate keys stand in the shadows and are used in ...
The superiority of surrogate versus natural keys is a hotly debated topic among database developers. Susan Harkins offers some insights into when — and why — you might choose one over the other.
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