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Create a new Windows Forms Application project in Visual Studio.
Install the Oracle developer tools for Visual Studio.
Add a new connection to the Oracle database in the Server Explorer window.
Add Oracle data access components to the project via NuGet packages.
Use the OracleConnection class to connect to the database.
Use the OracleDataAdapter class to retrieve data from the database.
Use the OracleCommandBuilder class to generate insert, update, and delete SQL statements for the data adapter.
Add UI controls to display the data retrieved from the database.
Create a publish profile in Visual Studio to generate a ClickOnce deployment package.
Set the correct target framework for deployment.
Configure the ClickOnce deployment settings to handle the Oracle client installation and ensure the application can connect to the database.
Test the application on a target machine to ensure it works properly.