- ORA-04020: deadlock detected while trying to lock object SYS.SCHEDULER$_EVENT_QUEUE
ORA-06512: at "SYS.DBMS_ISCHED", line 7761
ORA-06512: at "SYS.DBMS_SCHEDULER", line 4063
Solution: try to run the same sql statement ( DBMS_SCHEDULER.ADD_JOB_EMAIL_NOTIFICATION ) as user sys.
opt_estimate 2 - This is a note that was supposed to be a follow-up to an initial example of using the opt_estimate() hint to manipulate the optimizer’s statistical underst...
Acum 9 ore