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README.md

Outline

Connecting Python and Oracle Database with ADBC

Instructions

Tip

If you already have an Oracle Database instance running, skip the steps to set up and clean up Oracle Database.

Prerequisites

  1. Install uv

  2. Install dbc

Set up Oracle Database

  1. Install Docker

  2. Start a Oracle Database instance:

    docker run -d --rm --name oracle-db -p 1521:1521 -e ORACLE_PWD=password container-registry.oracle.com/database/free:latest
  3. Wait about a minute for the database to initialize.

Connect to Oracle Database

  1. The ADBC driver for Oracle is available from Columnar's private driver registry. Create a Columnar Console account and activate a 14-day free trial. Then authenticate to the registry:

    dbc auth login
  2. Install the ADBC driver for Oracle:

    dbc install oracle
  3. Install the Oracle Instant Client libraries.

  4. Set LD_LIBRARY_PATH (Linux), DYLD_LIBRARY_PATH (macOS), or PATH (Windows) to make sure the Oracle Instant Client libraries are discoverable by your application.

  5. Customize the Python script main.py as needed:

    • Change the connection arguments in db_kwargs.
      • Format uri according to the the following syntax: oracle://[user[:password]@]host[:port][/serviceName][?param1=value1&param2=value2], or keep it as is.
    • Change the SQL SELECT statement in cursor.execute(), or keep it as is.
  6. Run the Python script:

    uv run main.py

Clean up

Stop the Docker container running Oracle Database:

docker stop oracle-db
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