Concurrent or scheduled processes are programs that run in the background. Oracle Enterprise Scheduler Service (ESS) provides us the ability to manage the complete lifecycle of a scheduled process, including development, distribution, scheduling, and monitoring. ESS has been around since 2011, supporting applications such as Oracle Fusion Applications, and has finally been formally bundled with the 12c release of Oracle SOA Suite. It is now called Oracle Enterprise Scheduler, although the short name ESS still sticks.

Enterprise applications require the ability to respond to many real-time transactions requested by online users or web services. They also require the ability to offload larger transactions in order to run at a future time or automate the running of application maintenance work based on a defined schedule. ESS provides the ability to run different job types according to a preconfigured schedule, including Java, PL/SQL, binary...