https://learn.microsoft.com/en-us/kusto/query/tutorials/use-aggregation-functions?view=azure-data-explorer&preserve-view=true
Tutorial: Use aggregation functions in Kusto Query Language - Kusto | Microsoft Learn
Learn how to use aggregation functions in Kusto Query Language (KQL) to summarize and analyze data effectively in this step-by-step tutorial.
kusto query languageaggregation functionstutorialusemicrosoft