Report No Data
Query
//Reporting on a Connector that isn't reporting data in the last hour.
//The example below is for the OfficeActivity table. Delay for that table may need to be 2 hours.
//The table will depend on the associated Data Connector.
//Create an Analytics Rule to be alerted.
OfficeActivity
| where TimeGenerated > ago(1h)
| summarize count()
| where count_ == 0Explanation
This query is checking if there is any data missing from the OfficeActivity table in the last hour. If there is no data, it suggests creating an Analytics Rule to receive an alert. The delay for this table may need to be set to 2 hours.
Details

Rod Trent
Released: October 20, 2022
Tables
OfficeActivity
Keywords
OfficeActivityTimeGeneratedagosummarizecount
Operators
whereagosummarizecount==