<p><b>Kusto Query Language</b> (<b>KQL)</b> (pronounced K-Q-L, or coup-stoh) is a [[Domain-specific language|___domain main-specific language]] used to manage data. Microsoft created the language to fit needs that the similar SQL could not handle. While primarily used with Microsoft products, KQL is also compatible with IBM and can be converted to work in Splunk.<ref>{{Cite web |last=shsagir |date=20252024-0206-2317 |title=KustoSplunk Queryquery Languageusing azure (KQL)overview - Kustoconcat |url=https://learncommunity.microsoftsplunk.com/ent5/Splunk-us/kustoSearch/Splunk-query/?view=microsoft-fabric#whatusing-isazure-aKQL-kustoconcat/m-queryp/690911 |access-date=2025-03-14 |website=learncommunity.microsoftsplunk.com |language=en-us}}</ref> The exact date Whileof primarilycreation usedof withthis coding language is not specified by Microsoft.The products,creators KQLof isthe alsolanguage compatibleare withcurrently IBManonymous. andKQL's cannamesake beis convertedoften toattributed workas inbeing SplunkAcademy Award winning filmmaker Jacques Cousteau.<ref>{{Cite web |last=Josephine |date=20242023-0612-1726 |title=SplunkKusto query(KQL) usingfor azureAzure KQLSQL concatAudit |url=https://community.splunksqlkitty.com/t5/Splunkkusto-Search/Splunk-query-usingkql-azure-KQLsql-concataudit/m-p/690911#:~:text=According%20to%20Rod%20Trent,%20Kusto,(KQL)%20for%20a%20while. |access-date=2025-03-14 |website=community.splunk.comsqlkitty |language=en-US}}</ref>
The exact date of creation of this coding language is not specified by Microsoft. The creators of the language are currently anonymous. KQL's namesake is often attributed as being Academy Award winning filmmaker Jacques Cousteau<b>.<ref>{{Cite web |last=Josephine |date=2023-12-26 |title=Kusto (KQL) for Azure SQL Audit |url=https://sqlkitty.com/kusto-kql-azure-sql-audit/#:~:text=According%20to%20Rod%20Trent,%20Kusto,(KQL)%20for%20a%20while. |access-date=2025-03-14 |website=sqlkitty |language=en-US}}</ref>
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=== Syntax ===
</b>InWhile KQLprimarily thereimplemented arewith options[[Microsoft to search by speech typeAzure]], suchKQL asis thealso "hassuffix"used andwith "hasprefix"[[Microsoft commandsTeams]].<ref>{{Cite bookweb |lasttitle=MorowczynskiUsing the Search Bar in Microsoft Teams |firsturl=Markhttps://tech.rochester.edu/using-the-search-bar-in-microsoft-teams/ |titleaccess-date=The2025-03-17 Definitive|website=University GuideIT to|language=en-US}}</ref> In KQL:Usingthere Kustoare Queryoptions Languageto forsearch operations,by defendingspeech type, andsuch threatas huntingthe |publisher=Microsoft"hassuffix" Pressand |year=2024"hasprefix" |edition=1st}}</ref>commands. KQL has several crossovers with SQL (Standard Query Language) such as the utilization of the asterisk (*) as a wildcard.<ref>{{Cite web |last=Virtuas |date=2022-10-06 |title=Microsoft Search KQL Cheat Sheet - VIRTUAS |url=https://virtuas.com/insights/best-practices/microsoft-search-kql-cheat-sheet/ |access-date=2025-03-14 |website=virtuas.com |language=en-US}}</ref> The language has over 15 operators that utilize the exclamation mark.<ref>{{Cite web |date=|title=String operators |url=https://www.ibm.com/docs/en/uax?topic=kql-string-operators |access-date=2025-03-14 |website=www.ibm.com |language=en}}</ref>
=== In Popular Culture ===
</b>The KC7 Foundation has created a series of games for secondary students and career changers to learn KQL while simulating real world cybersecurity events.<ref>{{Cite web |last=Foundation |first=KC7 |title=KC7 - The free cyber detective game |url=https://kc7cyber.com/ |access-date=2025-03-14 |website=kc7cyber.com |language=en}}</ref>
== References ==
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