What is Distributed Data Warehouse/ Data Mart architecture of
Warehouse development?
It provides a logical database layer mapping a unified logical
data model to physical tables in the various data marts. And second it provides
transparent querying of the unified logical database across data marts and data
warehouses along with caching and joining services. Thus, the distributed
character of the data warehouse/data mart system is made transparent to users.
Leading tool providers supporting this architecture are Informatica,
Carleton, and Sybase Adaptive Server
Data warehousing combines data from multiple, usually varied, sources into one comprehensive and easily manipulated database.
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