# PostgreSQL {: #postgresql }

## Supported authentication {: #supported-authentication }

- Username/password

## Prerequisites {: #prerequisites }

The following is required before connecting to PostgreSQL in DataRobot:

- PostgreSQL account

## Required parameters {: #required-parameters }

The table below lists the minimum required fields to establish a connection with PostgreSQL:

Required field | Description |  Documentation
--------------- | ---------- |  -----------
`address`       | The server's address used to connect to PostgreSQL.  |   [PostgreSQL documentation](https://jdbc.postgresql.org/documentation/head/connect.html){ target=_blank }

{% include 'includes/data-conn-trouble.md' %}
