# Logs and database

**URL:** https://discuss.elastic.co/t/logs-and-database/134730
**Category:** Logstash
**Created:** [June 6, 2018, 6:21am UTC](https://discuss.elastic.co/t/logs-and-database/134730 "2018-06-06T06:21:58Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![hitman](https://avatars.discourse-cdn.com/v4/letter/h/48db29/32.png) [@hitman](https://discuss.elastic.co/u/hitman)
#### Post date: [June 6, 2018, 6:21am UTC](https://discuss.elastic.co/t/logs-and-database/134730/1 "2018-06-06T06:21:58Z")

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i have logfiles which has user id and i dont have user name.user name is available in database.now i have to visualize usernames based on the userid present in logs.how?

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [June 6, 2018, 6:34am UTC](https://discuss.elastic.co/t/logs-and-database/134730/2 "2018-06-06T06:34:10Z")

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Have a look at the [jdbc static](https://www.elastic.co/guide/en/logstash/current/plugins-filters-jdbc_static.html) plugin. You should be able to use this to add the username based on the mapping available in your database.

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 4, 2018, 6:34am UTC](https://discuss.elastic.co/t/logs-and-database/134730/3 "2018-07-04T06:34:11Z")

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