query layer

query layer

[′kwir·ē ‚lā·ər]
(computer science)
A program that mediates between data sources on the World Wide Web and a user's query by breaking the query into subqueries against each information source and then gathering together the results for presentation to the user.
References in periodicals archive ?
The Preview Inspectors feature within Stratusphere UX improves on existing Inspectors by providing an optimized query layer, and portraying more data relationships among users, desktops and applications.
Esri supports deployments of SAP HANA with query layers and features services for customers that want to dramatically increase spatial query performance by running SAP HANA side by side with ArcGIS.