单项选择题
Exhibit
One the evening of April 22， you are working on a database created using Oracle Database 10g. This database operates in the ARCHIVELOG mode. You discover that you need crucial data that was dropped from the database at 8：00 a.m. No full backup has been taken after April 15.
What would you do？（）
A.recover the database until April 10
B.recover the database until April 15
C.recover the database until 22 7：59 a.m.
D.recovery is not possible； manually re-create the object
相关考题
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单项选择题
Consider the following scenario： You have a directory， data， under the disk group tdgroup A. You want to create an alias for one of the data files and you execute the following command： ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA. 231.45678’； Which task would be accomplished by the command？（）
A.A
B.B
C.C
D.D
E.E -
单项选择题
WhichbackgroundprocessdoesAutomaticSharedMemoryManagementusetocoordinatethesizingofmemorycomponents？（）
A.PMON
B.SMON
C.MMNL
D.MMAN
E.MMON -
单项选择题
You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old In which situation would you receive such an error？（）
A.You performed rollback after commit.
B.If a log switch occurs in your database.
C.Thearchiverfails to generate an archived log file.
D.Instance recovery fails to find one of the redo log files.
E.A long-running query is unable to get read-consistent image.
F.If you perform manual undo management operations in auto mode.
