YYYY-DD-MM:HH24:SS:MI
YYYY-DD-MM:HH24:SS:MM
YYYY-MM-DD:HH24:MI:SS
YYYY-DD-MM:SS:MI:HH24
第1题:
You want to perform in incomplete recovery of your database. You plan to use these commands to recover your database: SET UNTIL TIME = ’2000-12-09:11:44:00’; RESTORE DATABASE; RECOVER DATABASE; How should the commands be executed? ()
第2题:
You want to import schema objects of the HR user using Oracle Data Pump from the development database,DEVDB, to the production database, PRODDB. A database link devdb.us.oracle.com is created betweenPRODDB and DEVDB. You execute the following command on the PRODDB database server:$ impdp system/manager directory = DB_DATAdumpfile = schemas.datschemas = hr flashback_time = "TO_TIMESTAMP(’25-08-2007 14:35:00’, ’DD-MM-YYYY HH24:MI:SS’)"The command fails displaying the following error:ORA-39001: invalid argument valueORA-39000: bad dump file specification ORA-31640: unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037: unable toobtain file status What would you do to overcome the error()
第3题:
You performed an incomplete recovery on your Oracle Database 10g database using the following command: SQL> RECOVER DATABASE 2 UNTIL TIME ’2004-08-05:12:10:03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required?()
第4题:
查询出当前的数据库系统时间,精确到秒()
第5题:
Using the command shown here, what time format must you specify to recover the database until a point-in-time?() SQL> RECOVER DATABASE UNTIL TIME ’
第6题:
You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06:00 p.m., you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03:00 p.m. What would you do to recover the table?()
第7题:
use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table
restore the entire database from the most recent backup and open it
recover the table by using the Flashback Table feature
perform point-in-time recovery to recover the table
第8题:
Datafile 4 will be recovered until 9/30/2008 at 15:00 and the database will open.
The restore command will fail.
The recover command will fail.
The alter database open resetlogs command will fail.
All these commands will fail because they must be in the confines of a run block.
第9题:
YYYY-MM-DD HH24()MI()SS
MM-DD-YYYY HH24()MI()SS
DD-MM-YYYY HH24()MI()SS
MM-DD-YYYY HH()MI()SS
第10题:
Until last commit
Until the time you perform recovery
Until the time the date file got corrupted
Until the point where the last transaction begun
You cannot recover the SYSTEMtablespaceand must re-create the database.
第11题:
A user table was lost at the specified time.
A redo log file was lost at the specified time.
The backup control file is on a faster disk than the current one.
The current control file has a different path compared with the intended time of recovery.
The current control file does not match the physical structure of the database at the intended time of recovery.
第12题:
Add the user, SYSTEM, to the schemas option.
Add the network_link = devdb.us.oracle.com option.
Change the dumpfile option to schema.dat@devdb.us.oracle.com.
Replace the schemas option with the network_link = devdb.us.oracle.com
Replace the dumpfile option with the network_link = devdb.us.oracle.com
第13题:
创建数据库实例时,需要修改日期格式为()
第14题:
Your Certkiller .com database is in ARCHIVELOG mode. The data file that belongs to the SYSTEMtablespacehas become corrupted. Up to what point can you recover the database?()
第15题:
Your Supportcenter.cn database is in ARCHIVELOG mode. The data file that belongs to the SYSTEM tablespace has become corrupted. Up to what point can you recover the database?()
第16题:
You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?() a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’ c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database open
第17题:
What will be the end result of this set of RMAN commands?() shutdown abort startup mount restore datafile 4 until time ,,09/30/2008:15:00:00; recover datafile 4 until time ,,09/29/2008:15:00:00; alter database open resetlogs;
第18题:
Only the SET command must be within a RUN block.
All commands should be executed at the RMAN prompt.
All three commands must be within a single RUN block.
Only the RESTORE and RECOVER commands must be within a single RUN block.
第19题:
Until last commit
Until the time you perform recovery
Until the time the date file got corrupted
Until the point where the last transaction begun
You cannot recover the SYSTEMtablespaceand must re-create the database.
第20题:
Add the user, SYSTEM, to the schemas option.
Add the network_link = devdb.us.oracle.com option.
Change the dumpfile option to schema.dat@devdb.us.oracle.com.
Replace the schemas option with the network_link = devdb.us.oracle.com
Replace the dumpfile option with the network_link = devdb.us.oracle.com
第21题:
A user table was lost at the specified time.
A redo log file was lost at the specified time.
The backup control file is on a faster disk than the current one.
The current control file has a different path compared with the intended time of recovery.
The current control file does not match the physical structure of the database at the intended time of recovery.
第22题:
b, d, e
b, d, f
c, a, b, d, e
c, a, b, d, f
a, b, d, e
第23题:
select to_date(sysdate,'YYYY-MM-DD HH24:MI:SS') from dual;
select to_char(sysdate,'YYYY-MM-DD HH24:MI:SS') from dual;
select date(sysdate,'YYYY-MM-DD HH24:MI:SS') from dual;
select chr(sysdate,'YYYY-MM-DD HH24:MI:SS') from dual;