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Azure Data Explorer Blog
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Azure Data Explorer KQL cheat sheets

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Tzvia
Icon for Microsoft rankMicrosoft
Dec 10, 2019

Kusto Query Language is a powerful intuitive query language, which is being used by many Microsoft Services.

KQL Language concepts​

 

  • Relational operators (filters, union, joins, aggregations, …)
  • Each operator consumes tabular input and produces tabular output
  • Can be combined with ‘|’ (pipe).
  • Similarities: OS shell, Linq, functional SQL…
  • Ease to write, read, change
  • Statements:
  • Single statement query 
  • Use ‘let’ for reusing statements
  • Multi-statement (‘;’) queries

official Azure Data Explorer KQL quick reference page - https://docs.microsoft.com/en-us/azure/data-explorer/kql-quick-reference

 

One of our customers released a cheat sheet for #KQL (Kusto Query Language).

Download: https://github.com/marcusbakker/KQL/blob/master/kql_cheat_sheet_v01.pdf

 

Documentation: here 

Free Online course - http://aka.ms/KQLPluralsight

 Doc - https://aka.ms/adx.docs

 Q&A  - StackOverFlow/TechCommunity

Updated Jan 30, 2022
Version 6.0