Table des dimensions
Dimension tables are the entry points into the fact table. [...] The dimension implement the user interface to the data warehouse. (Kimball, Ross, 2008, p.20)
Exemple de table de dimension (Kimball, Ross, 2008, p.20)
Intelligibilité
The best attributes are textual and discrete. Attributes should consist of real words rather than cryptic abbreviations. (Kimball, Ross, 2008, p.20)
Navigation :