The Oracle SQL Developer tool ... and execute basic SELECT queries on supported databases. However, write access is not supported for DB2. Before setting up the connection, download and install ...

Using Oracle Developer to work on your Oracle SQL database presents you with ... Click the green "+" sign in the window that opens and select the database connection from which you want output.

To keep your Oracle SQL Developer connection alive, you can use a keepalive extension that periodically sends a simple query to the database, preventing the connection from timing out. First ...