Gartner Research

The Logical Data Warehouse Will Be a Key Scenario for Using Data Federation

Published: 26 September 2012

ID: G00233556

Analyst(s): Eric Thoo , Ted Friedman

Summary

The use of data federation/virtualization helps enable virtual views of an organization's data for supporting a logical data warehouse. While not a new technique, it presents pragmatic opportunities for use in LDWs with the ability to create abstracted interfaces to data.

Table Of Contents
  • Key Challenges

Analysis

  • Emergence of the LDW: Delivering Data to Consumers in the Absence of a Centralized Repository
  • Importance of Federated Views of Data Grows in Support of the LDW
  • Identify Data Requirements Related to an LDW That Are Not Adequately Addressable by Physical Approaches to Integration
  • When Constructing Federated Views, Create a Single, Logically Consistent Information Resource as a Semantic Layer for Broad Applicability (For Example, Not Just for an Analytic Platform)
  • Plan Federation Capabilities in Anticipating Data Demand on an LDW
  • Steer Clear of Using Data Federation/Virtualization as "One Size Fits All"

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