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94 lines
3.4 KiB
Plaintext
94 lines
3.4 KiB
Plaintext
---
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title: Connecting to Databases
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sidebar_label: Overview
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sidebar_position: 1
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---
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{/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/}
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import { DatabaseIndex } from '@site/src/components/databases';
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import databaseData from '@site/src/data/databases.json';
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# Connecting to Databases
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Superset does not ship bundled with connectivity to databases. The main step in connecting
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Superset to a database is to **install the proper database driver(s)** in your environment.
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:::note
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You'll need to install the required packages for the database you want to use as your metadata database
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as well as the packages needed to connect to the databases you want to access through Superset.
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For information about setting up Superset's metadata database, please refer to
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installation documentations ([Docker Compose](/admin-docs/installation/docker-compose), [Kubernetes](/admin-docs/installation/kubernetes))
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:::
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## Supported Databases
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Superset supports **80 databases** with varying levels of feature support.
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Click on any database name to see detailed documentation including connection strings,
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authentication methods, and configuration options.
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<DatabaseIndex data={databaseData} />
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## Installing Database Drivers
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Superset requires a Python [DB-API database driver](https://peps.python.org/pep-0249/)
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and a [SQLAlchemy dialect](https://docs.sqlalchemy.org/en/20/dialects/) to be installed for
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each database engine you want to connect to.
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### Installing Drivers in Docker
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For Docker deployments, create a `requirements-local.txt` file in the `docker` directory:
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```bash
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# Create the requirements file
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touch ./docker/requirements-local.txt
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# Add your driver (e.g., for PostgreSQL)
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echo "psycopg2-binary" >> ./docker/requirements-local.txt
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```
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Then restart your containers. The drivers will be installed automatically.
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### Installing Drivers with pip
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For non-Docker installations:
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```bash
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pip install <driver-package>
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```
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See individual database pages for the specific driver packages needed.
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## Connecting Through the UI
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1. Go to **Settings → Data: Database Connections**
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2. Click **+ DATABASE**
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3. Select your database type or enter a SQLAlchemy URI
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4. Click **Test Connection** to verify
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5. Click **Connect** to save
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## Contributing
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To add or update database documentation, add a `metadata` attribute to your engine spec class in
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`superset/db_engine_specs/`. Documentation is auto-generated from these metadata attributes.
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See [METADATA_STATUS.md](https://github.com/apache/superset/blob/master/superset/db_engine_specs/METADATA_STATUS.md)
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for the current status of database documentation and the [README](https://github.com/apache/superset/blob/master/superset/db_engine_specs/README.md) for the metadata schema.
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