多项选择题

View the Exhibit and examine the Flashback SCNs. A user……

View the Exhibit and examine the Flashback SCNs.

A user has inserted wrong department data in the DEPT3 table in the USERS tablespace. You use the Flashback Table functionality to rectify the erroneous inserts. While performing the recovery， you chose 2004343 as the Flashback SCN.
Which two statements are correct in this scenario？（）

A.Only the row with DEPARTMENT_ID 290 would be flashed back.
B.The rows with DEPARTMENT_ID 290 and 300 would be flashed back.
C.The rows with DEPARTMENT_ID 290 and 280 would be flashed back.
D.You would have taken the USERS tablespace offline before starting the Flashback Table operation.
E.You would have enabled row movement for the DEPT3 table before starting the Flashback Table operation.

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单项选择题OnMonday，youdroppedtheDEPTtablefromyourschemaandthenyourecreatedtheDEPTtableinyourschema.OnWednesday，youhavearequirementtorestoretheDEPTtablefromtherecyclebin.Whichstatementiscorrect？（）

A.You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
B.You can restore the DEPT table by using the Oracle Flashback Drop feature and a systemgenerated name will be assigned to the restored table.
C.You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table withthe name DEPT already exists in your schema.
D.You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.

多项选择题You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option？（）

A.This operation resets the SCN for the database.
B.This operation creates a new incarnation of the database.
C.This operation moves all the redo log files to a different location.
D.This operation deletes the old redo log files and creates new redo log files.
E.This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

单项选择题YouexecutedthefollowingcommandinRecoveryManager（RMAN）：RMAN>RESTORECONTROLFILEWhichoperationmustyouperformbeforethiscommandisexecuted？（）

A.back up the control file to trace
B.bring database to the MOUNT state
C.open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
D.set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

多项选择题You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS Under which conditions would this command execute successfully？（）

A.The database is in NOMOUNT state.
B.The database is in ARCHIVELOG mode and the tablespace is online.
C.The database is in ARCHIVELOG mode and the tablespace is offline.
D.The database is in NOARCHIVELOG mode and the tablespace is online.
E.The database is in NOARCHIVELOG mode and the tablespace is offline.

多项选择题YouhavesetthevalueoftheNLS_TIMESTAMP_TZ_FORMATparameterintheparameterfiletoYYYYMMDD.Thedefaultformatofwhichtwodatatypeswouldbeaffectedbythissetting？（）

A.DATE
B.TIMESTAMP
C.INTERVAL YEAR TO MONTH
D.INTERVAL DAY TO SECOND
E.TIMESTAMP WITH LOCAL TIME ZONE