# Editing historian tag data

**URL:** <https://forum.inductiveautomation.com/t/editing-historian-tag-data/49328>\
**Category:** Ignition\
**Created:** [July 28, 2021, 8:46pm UTC](https://forum.inductiveautomation.com/t/editing-historian-tag-data/49328 "2021-07-28T20:46:08Z")\
**Posts on this page:** 1\
**Showing post:** 19

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**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\
**Post date:** [July 30, 2021, 7:47pm UTC](https://forum.inductiveautomation.com/t/editing-historian-tag-data/49328/19 "2021-07-30T19:47:16Z")

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See this this thread for unix time, both SQL and MySQL. You must have edited one of your questions, you had earlier asked how to do it.

> [@Tag Historian SQL Queries](https://forum.inductiveautomation.com/t/tag-historian-sql-queries/18621/15):
>
> Hi, Thank you very much for the link. I was able to create it with the help of that video, documentation and support. Regards, Kumar

See this for queries and parameters, don't forget the manual is awesome!:  
[https://docs.inductiveautomation.com/display/DOC81/system.db.runNamedQuery](https://docs.inductiveautomation.com/display/DOC81/system.db.runNamedQuery)

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