# Which order write data into MYSQL?

**URL:** <https://forum.inductiveautomation.com/t/which-order-write-data-into-mysql/42189>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [January 13, 2021, 1:44am UTC](https://forum.inductiveautomation.com/t/which-order-write-data-into-mysql/42189 "2021-01-13T01:44:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![netliuhao](https://avatars.discourse-cdn.com/v4/letter/n/8baadc/32.png) [@netliuhao](https://forum.inductiveautomation.com/u/netliuhao)\
**Post date:** [January 13, 2021, 1:44am UTC](https://forum.inductiveautomation.com/t/which-order-write-data-into-mysql/42189/1 "2021-01-13T01:44:05Z")

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Hello: everyone  
one friend told me : in Ignition software has one order(instruction) can write data into MYSQL-database. but i don’t know :which one instruction can do it ? please show mark of software to me. i hope learn these knowledge thanks.  
please see this picture.  
here has one time. but i don’t know :where is it from? i can’t find out it in my PLC programs. maybe the time is from Ignition software .  
please give me some teach.

 ![数据库](https://us1.discourse-cdn.com/inductiveautomation/original/3X/b/a/ba95a8b66dd81984bdcfa20f4bb6d63e3798bc25.gif)

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**Author:** ![witman](https://avatars.discourse-cdn.com/v4/letter/w/d2c977/32.png) [@witman](https://forum.inductiveautomation.com/u/witman)\
**Post date:** [January 13, 2021, 2:00am UTC](https://forum.inductiveautomation.com/t/which-order-write-data-into-mysql/42189/2 "2021-01-13T02:00:41Z")

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You’ve shown how the circled tag value on the right is selected from your SQL DB. Something else writes the data to your SQL DB. It could be a transaction group or a script somewhere in Ignition. Or it could be directly written by some other system.