# Presto
URL: https://docs.datarobot.com/en/docs/reference/data-ref/data-sources/dc-presto.html

# Presto

You can use a Presto connector to access a wide variety of underlying [data sources and table formats](https://prestodb.github.io/docs/0.296/connector.html). Specifically you can use a Presto connector to access data stored in Hudi format (supported via [Presto’s Hudi connector](https://prestodb.io/docs/current/connector/hudi.html)) and Iceberg format (supported via [Presto’s Iceberg connector](https://prestodb.io/docs/current/connector/iceberg.html)).

## Supported authentication

- Username/password

## Prerequisites

The following is required before connecting to Presto in DataRobot:

- Presto account

## Required parameters

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

| Required field | Description | Documentation |
| --- | --- | --- |
| address | The connection URL that supplies connection information for Presto. | Presto documentation |

Learn about additional [configuration options for Presto](https://prestodb.io/docs/current/installation/jdbc.html#connecting).

## Troubleshooting

| Problem | Solution | Instructions |
| --- | --- | --- |
| When attempting to execute an operation in DataRobot, the firewall requests that you clear the IP address each time. | Add all allowed IPs for DataRobot. | See Allowed source IP addresses. If you've already added the allowed IPs, check the existing IPs for completeness. |

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