Developed and integrated bind variable support for the Oracle ADB document loader in the langchain-ai/langchain repository, enabling users to execute secure, parameterized SQL queries through a new parameters argument. This work involved refactoring the Python loader to support dynamic query construction and updating documentation to guide users on best practices for security and parameter binding. Leveraging skills in Python development, SQL, and database integration, the implementation reduces SQL injection risks and enhances flexibility for Oracle ADB users. The changes were merged into the main branch following open source collaboration, with a focus on maintainability and clear technical documentation.