A DSN stores the connection details (server, database, credentials) so you don't have to re-enter them in every application. Installing PostgreSQL ODBC Drivers
PostgreSQL ODBC is a driver that allows Windows applications to connect to a PostgreSQL database using the ODBC interface. The driver translates ODBC calls into PostgreSQL-specific commands, enabling applications to access and manipulate data in the PostgreSQL database. postgresql odbc windows
This guide provides step-by-step instructions for installing and configuring the PostgreSQL ODBC driver on Windows. A DSN stores the connection details (server, database,