In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）

多项选择题The user HR receives the following error while inserting data into the TTK table：ERROR at line 1： ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation， you find that SMDis a small file tablespace. Which three action would allow the user to insert data（）

A.Add a data file to the SMD tablespace.
B.Add a data file to the temporary tablespace associated with the user HR.
C.Resize the data file associated with the SMD tablespace to make it larger.
D.Alter the data file associated with the SMD tablespace to grow automatically.
E.Change the segment space management for the SMD tablespace to automatic

单项选择题View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user SCOTT hasstarted a query on a large table in the peak transactional hour that performs bulk inserts. The query runs formore than 15 minutes and then SCOTT receives the following error:ORA-01555: snapshot too old What could be the reason for this error（）

A.The query is unable to get a read-consistent image.
B.There is not enough space in Flash Recovery Area.
C.There is not enough free space in the flashback archive.
D.The query is unable to place data blocks in undo tablespace

单项选择题View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command：SQL> GRANT SELECT ON scott.emp TO hr； Which statement describes the outcome of the command（）

A.The command executes successfully.
B.The command produces an error because the EMP table is owned by SCOTT.
C.The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE withoutADMIN_OPTION.
D.The command produces an error because SL_REP does not have the SELECT privilege withGRANT_OPTION on the EMP table

单项选择题All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his 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 executed the above commands.  Which sessions can see theeffect of the UPDATE and DELETE commands（）

A.All sessions of the HR user only
B.All sessions of the HR user and the SYS user
C.The session of the HR user that executed the commands
D.All the sessions for which the database users have access privilege to the PERSONS table

多项选择题You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）

A.Flashback log files
B.Backups that have become obsolete
C.User managed backups of the data files and control files
D.Archived redo log files that have multiple copies in a different archive location and not backed up