Below is list of Key Concurrent Program tables
FND_CONCURRENT_REQUESTS - Details of user requests , including status, start date, and completion date.
FND_CONCURRENT_PROGRAMS - Details of concurrent programs, including execution methods , whether the program is constrained , and whether it must be run alone
FND_CONCURRENT_PROCESSES - Cross - references between concurrent requests and queue , and a history of concurrent manager processes.
FND_CONCURRENT_QUEUES - Information about each of the concurrent manager Queues.