We found following in AWR under SQL ordered by Elapsed Time section can someone please describe what
Hi,
We found following in AWR under SQL ordered by Elapsed Time section can someone please describe what it is used for?
select SEMAPHORE.SEMAPHORE_ID, SEMAPHORE.NAME, SEMAPHORE.REVISION from OBS_SEMAPHORE SEMAPHORE where SEMAPHORE_ID = :1 and REVISION = :2 for update
Regards,
Mohtaram