During December 2024, Alex focused on enhancing the reliability of the duckdb-odbc repository by addressing a critical issue in ODBC DSN-based connection handling. Using C++ and leveraging expertise in database connectivity and ODBC, Alex delivered a targeted fix that ensures the server name specified in the DSN is correctly used for establishing connections. This change prevents the driver from unintentionally creating in-memory databases when the odbc.ini configuration is present, reducing the risk of misconfiguration and improving production stability. The work demonstrated a deep understanding of ODBC internals and contributed to more predictable and robust client application behavior in deployment environments.