Device42 DOQL is a powerful query language that uses familiar PostgreSQL-compatible syntax to provide access to the D42 database both via https & the RESTful API.

This Dec 2018 (2019) video update includes a quick API-based query demo using Postman & shows users how to find the Viewer Schema which is comprised of the ERD (entity relationship diagram) and Data dictionary, both of which live in the help menu.

For more info, see the Device42 DOQL docs @ https://docs.device42.com/device42-doql/

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