How SQL Developer Monitor SQL

Real Time SQL Monitor

SQL Developer - Tools - Real Time SQL Monitor

Select Connection

Then select which database you want to connect to and monitor.

SQL Developer - Choose Connection

SQL List

SQL Developer - Real Time SQL Monitor

DBA Panel

In fact, the "Real Time SQL Monitor" is one of the function from "DBA" panel. The navigation path is as below:

SQL Developer - DBA Panel - Tunning - Real Time SQL Monitor