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Data Virtualization vs Data Federation

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Data virtualization is an interface that provides a single point of access to data that hides its distributed and heterogeneous storage details.
Data federation is a virtual database that provides a common data model and access point for distributed and heterogeneous data sources.

Data virtualization vs Data federation

Data federation is a type of data virtualization.
Both data virtualization and data federation are techniques for integrating data that are designed to simplify access for front end applications. The term data federation is used for techniques that resemble virtual databases with strict data models. The term data virtualization is typically used for services that don't enforce a data model, requiring applications to interpret the data. This is appropriate for modern applications that aren't necessarily sensitive to exact datatypes such as the length of text.
Data Virtualization vs Data Federation
Data Virtualization
Data Federation
A single interface for accessing distributed data with different data models.
A virtual database that provides a unified data model and single interface for accessing distributed data with different data models.
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