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 ...

The Oracle SQL Developer tool can connect to ... Developers can browse and execute basic SELECT queries on supported databases. However, write access is not supported for DB2.

and they give developers less incentive to learn SQL and understand what their queries are doing. When a developer needs to hand-write a query to get the best possible performance, they don’t ...