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Applies to: ✅ Azure Data Explorer
The .cancel query command starts a best-effort attempt to cancel a specific running query. Cluster admins can cancel any running query. Database admins can cancel any running query that was invoked on a database to which they have admin access. All principals can cancel running queries that they started.
.cancel query ClientActivityId [with ( reason = ReasonPhrase )]
Learn more about syntax conventions.
| Name | Type | Required | Description |
|---|---|---|---|
| ClientActivityId | string |
✔️ | The value of the running query's ClientActivityId property. Find the ClientActivityId of a query by running the .show queries command. |
| ReasonPhrase | string |
✔️ | Describes the reason for canceling the running query and is included in the query results if it's successfully canceled. |
This example cancels a specific query using ClientActivityId.
.cancel query "KE.RunQuery;8f70e9ab-958f-4955-99df-d2a288b32b2c"