单项选择题
A.1,2,4,3,5,6
B.2,4,3,5,6;1 not required
C.4,5,6,2,3;1 not required
D.5,2,3,4;1 and 6 not required
单项选择题 YourtestdatabaseisrunninginNOARCHIVELOGmode.Whichstatementistrueregardingthetypeofbackupsthatcanbeperformedonthedatabase()
多项选择题 WhichtwostatementsaretrueabouttheAutomaticWorkloadRepository(AWR)()
单项选择题 View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT has started a query on a large table in the peak transactional hourthat performs bulk inserts. The query runs for more than 15 minutes and then SCOTT receives thefollowing error: ORA-01555: snapshot too old What could be the reason for this error()