Which three events signal a database writer (DWR) to write buffers to disk?
Which three background processes are mandatory in a database Instance started with a minimally configured Initialization parameter file?
Oracle Database 12c provides new task-specific privileges (SYSBACKUP, SYSDG, and SYSKM) to handle standard administration duties. Which two statements about these standard administration privileges are true?
Examine the output:SQL> SELECT index_name, status FROM dba_indexes WHEREstatus='UNUSABLE;INDEX_NAME STATUS ---------------------- -----------------EIND UNUSABLE -Which two statements about this index are true?
All database users are currently connected to the database instance and are working. The HR user opens three database sessions and executes this command in one of the sessions:SQL> UPDATE persons SET ccode='U031' WHERE ccode='U029';123 rows updated.SQL> DELETE FROM persons WHERE exp='Y';3 rows deleted.The SYS user opens a new session after HR executes the preceding commands. Which option represents the sessions that can see the effect of the UPDATE and DELETE commands?
Which three statements about replication options are true?
