# AWS IoT SiteWise query language
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With the AWS IoT SiteWise data retrieval [ExecuteQuery](https://docs.aws.amazon.com/iot-sitewise/latest/APIReference/API_ExecuteQuery.html) API operation, you can retrieve information about declarative structural definitions, and the timeseries data associated with them, from the following:
+ models
+ assets
+ measurements
+ metrics
+ transforms
+ aggregates

This can be done with SQL like query statements, in a single API request.

**Note**  
This feature is available in all Regions where AWS IoT SiteWise is available, except AWS GovCloud (US-West), Canada (Central), China (Beijing) and US East (Ohio). 

**Topics**
+ [Query language reference for AWS IoT SiteWise](query-reference.md)