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Working with strcat in KQL

Robert Cain has a post dedicated to the strcat() function in KQL:

The strcat function has been shown in previous articles, but it’s so useful it deserves a post all of its own.

As usual, the samples in this post will be run inside the LogAnalytics demo site found at This demo site has been provided by Microsoft and can be used to learn the Kusto Query Language at no cost to you.

Read on to (re-)learn the power of string concatenation, in Kusto form.