# Combine several messages from MQTT into one request to DataBase

**URL:** <https://discourse.nodered.org/t/combine-several-messages-from-mqtt-into-one-request-to-database/27915>\
**Category:** General\
**Created:** [6 June 2020 20:10 UTC](https://discourse.nodered.org/t/combine-several-messages-from-mqtt-into-one-request-to-database/27915 "2020-06-06T20:10:34Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [6 June 2020 21:15 UTC](https://discourse.nodered.org/t/combine-several-messages-from-mqtt-into-one-request-to-database/27915/6 "2020-06-06T21:15:38Z")

</div>

> [@SuperBoss9](#):
>
> Looking to this option but can't understand it completely. It seems that I have to add a function that will modify MQTT msg into a way it can be received by Join.

The join is really simple. Give it a go.

---

_[View the full topic](https://discourse.nodered.org/t/combine-several-messages-from-mqtt-into-one-request-to-database/27915)._