> For the complete documentation index, see [llms.txt](https://docs.dataflow.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dataflow.so/3.-environments-and-resources.md).
# 3. Environments and resources
We can create an environment for resources. Each environment holds a set of configs for resources.
## 1. Create and manage resources
Database resource is a connection to databases. DataFlow supports various database drivers, such as PostgreSQL, MySQL...\
\
Click the Environment dropdown on the header bar to create and manage resources.
Create and manage resources
{% hint style="success" %}
How to use resources? You can create an SQL Runner adapter and choose the resource in the tab inspector.
{% endhint %}