A two-tier data warehouse structure allows the servers within the system to balance the load of user requests and therefore is easily scaled as the number of users grow.

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A two-tier data warehouse structure directly connects users to the data warehouse, without balancing or scaling mechanisms typically provided by a middle tier. Scalability and load balancing are more effectively managed in a three-tier architecture, where an additional layer can distribute the load.

A Two-Tier Data Warehouse Structure Allows the Servers Within the System