Azure IoT Development Cookbook

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IoT Hub query explorer is easy to use on the collection of the device registry. Some of the sample queries will be as follows:

SELECT * FROM devices

We tried a simple query which selects all devices. Now, let's try to query using the device tags and device twin. we will refer to the desired properties field called as DeviceOwner.

SELECT * FROM devicesWHERE tags.location.region = 'US'AND properties.desired.deviceConfig.DeviceOwner = 'Rudra'