4 Data Vault #
The Data Vault is a detail oriented, historical tracking and uniquely linked set of normalized tables that support one or more functional areas of business. It is a hybrid approach encompassing the best of breed between 3rd normal form (3NF) and star schema. The design is flexible, scalable, consistent and adaptable to the needs of the enterprise. It is a data model that is architected specifically to meet the needs of todays enterprise data warehouses.
--> 渚覃, 3蠏 ろろる レ 讓 觸 襷 豕 DW 覈碁 蠍磯企 手係蟆譯?
- Extensive possibilities for data attribution. --> 一危一 煙 レ 螳
- Power of historical relationships. --> 蟯螻 企レ
- All data relationships are key driven. -> 覈 一危一 蟯螻螳 key driven
- Relationships can be dropped and created on-the-fly. --> 蟯螻襯 螻, 燕 . 伎 譴? 讀? 讀?
- Can be used as a Data Mining source. --> 一危 襷企 る 企.
- Very easy to extend the model. --> 覈語 レ 襷れ 暑.