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Corporate Data Warehouse (CDW)

Metadata Updated: April 21, 2021

The Veterans Health Administration (VHA) is increasingly dependent upon data. Most of its employees generate and use vast amounts of data on a daily basis. To improve our capacity for data analysis while providing the most efficient and the highest quality health care to our Veteran patients, VHA, working with the VA Office of Information and Technology, implemented a health data warehouse. Central to this plan is consolidating data from disparate sources into a coherent single logical data model. The Corporate Data Warehouse (CDW) is the physical implementation of this logical data model at the enterprise level for VHA. Although the CDW initially began to store data as early as 2006, a renewed effort began in 2010 to accelerate CDW's content by including more subject areas from Veterans Health Information Systems and Technology Architecture (VistA) and content from other existing national data systems. CDW supports fully developed subject areas in its production environment as well as supporting rapid prototyping by extracting data directly from source systems with very minor data transformations. The Regional Data Warehouses and the Veterans Integrated Service Network (VISN) Data Warehouses share content from CDW and allow for greater reporting flexibility at the local level throughout the VHA organization.

Access & Use Information

Non-public: This dataset is not for public access or use. Specific details are provided below. License: Creative Commons CCZero

Downloads & Resources


Metadata Created Date November 10, 2020
Metadata Updated Date April 21, 2021

Metadata Source

Harvested from VA JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date November 10, 2020
Metadata Updated Date April 21, 2021
Publisher Department of Veterans Affairs
Identifier VA-VHA-OIA-006
Data First Published 2017-07-26
Language en-US
Data Last Modified 2020-12-01
Rights Health Insurance Portability and Accountability Act, protected health information.
Category Basic Statistics, Use, and Operational Data
Public Access Level non-public
Bureau Code 029:15
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Data Quality True
Harvest Object Id 9abe0bdc-20cb-485f-aa4f-2127a88a4624
Harvest Source Id fcd1f625-1c2e-4663-95cf-1b0eb053cce1
Harvest Source Title VA JSON
Homepage URL
Program Code 029:041
Source Datajson Identifier True
Source Hash 0f4dda56eb439d264f073c60ee21cbabd57dcf49
Source Schema Version 1.1
Temporal 2011-01-01T05:00:00Z/2014-12-31T05:00:00Z

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