Data virtualization acts as a layer between agencies, facilitating real-time, authorized data access. As such, the data virtualization layer itself holds no data; instead, it contains the meta-data required for accessing the available data, including the appropriate controls for which individual or group is authorized to view which dataset.



 

 [Learn more](https://gcn.com/articles/2019/07/02/data-virtualization.aspx) 

 

 

 

 

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