# Oracle

<CommunitySupportedDriver dataSource="Oracle" />

## Prerequisites

- The hostname for the [Oracle][oracle] database server
- The username/password for the [Oracle][oracle] database server
- The name of the database to use within the [Oracle][oracle] database server

## Setup

### Manual

Add the following to a `.env` file in your Cube project:

```dotenv
CUBEJS_DB_TYPE=oracle
CUBEJS_DB_HOST=my.oracle.host
CUBEJS_DB_NAME=my_oracle_database
CUBEJS_DB_USER=oracle_user
CUBEJS_DB_PASS=**********
```

## Environment Variables

| Environment Variable | Description                                                                         | Possible Values           | Required |
| -------------------- | ----------------------------------------------------------------------------------- | ------------------------- | :------: |
| <EnvVar>CUBEJS_DB_HOST</EnvVar>     | The host URL for a database                                                         | A valid database host URL |    ✅    |
| <EnvVar>CUBEJS_DB_PORT</EnvVar>     | The port for the database connection                                                | A valid port number       |    ❌    |
| <EnvVar>CUBEJS_DB_NAME</EnvVar>     | The name of the database to connect to                                              | A valid database name     |    ✅    |
| <EnvVar>CUBEJS_DB_USER</EnvVar>     | The username used to connect to the database                                        | A valid database username |    ✅    |
| <EnvVar>CUBEJS_DB_PASS</EnvVar>     | The password used to connect to the database                                        | A valid database password |    ✅    |
| <EnvVar>CUBEJS_DB_SSL</EnvVar>      | If `true`, enables SSL encryption for database connections from Cube                | `true`, `false`           |    ❌    |
| <EnvVar>CUBEJS_DB_MAX_POOL</EnvVar> | The maximum number of concurrent database connections to pool. Default is `8`       | A valid number            |    ❌    |
| <EnvVar>CUBEJS_CONCURRENCY</EnvVar> | The number of [concurrent queries][ref-data-source-concurrency] to the data source | A valid number |    ❌    |

[ref-data-source-concurrency]: /product/configuration/concurrency#data-source-concurrency

## SSL

To enable SSL-encrypted connections between Cube and Oracle, set the
<EnvVar>CUBEJS_DB_SSL</EnvVar> environment variable to `true`. For more information on how to
configure custom certificates, please check out [Enable SSL Connections to the
Database][ref-recipe-enable-ssl].

[oracle]: https://www.oracle.com/uk/index.html
[ref-recipe-enable-ssl]:
  /product/configuration/recipes/using-ssl-connections-to-data-source
