A. ..until cancel
B. ..until time
C. .. until scn
D. ..until change
E. ..until sequence
F. 以上都正确
第1题:
下列关于Do Until-Loop型循环的叙述中,正确的是 ______。
A.先执行循环体,当Until后的表达式成立时继续循环
B.先执行循环体,当Until后的表达式成立时退出循环
C.先进行循环条件的判断,当Until后的表达式成立时继续循环
D.先进行循环条件的判断,当Until后的表达式成立时停止循环
第2题:
Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? ()
第3题:
You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning, you find that an important table has been dropped and purged. With reference to this scenario, up to what point in time can the data be recovered?()
第4题:
下列哪一个命令可以用来执行不完全恢复?()
第5题:
下列关于do while…loop和do…loop until循环执行循环体次数的描述正确的是()。
第6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7题:
You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go? ()
第8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9题:
The database is being restored from a closed backup. The data files, control files, password file, and parameter file are available, but the online redo logs are not. Because the online redo logs are not available, you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation?()
第10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11题:
restore datafiles until time '09/28/2008:21:03:11'
restore database files until time '09/28/2008:18:00:00'
restore database until time '09/28/2008:18:00:00'
recover database until time '09/28/2008:18:00:00'
recover database until timestamp '09/28/2008:18:00:00'
第12题:
until Thursday morning
until that point in time when the database is opened
until that point in time when the recovery is performed
until last Sunday’s backup
until that point in time when the table is dropped and purged
until Wednesday evening
第13题:
第14题:
When you are performing media recover, and an archived log is lost or corrupt, which type of recover must you perform?()
第15题:
Your database is in the NOARCHIVELOG mode. Since last night’s offline backup, the logs in group 1 have been written to twice. This morning, the SYSTEM data file has become corrupted. Up to what point can it be recovered?()
第16题:
Do循环语句是根据条件决定循环的语句的,下列说法正确的是()。
第17题:
In IS-IS, how long will the restart helper keep the restarting router in the up state?()
第18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19题:
You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility?()
第20题:
Which of the following are valid until command options when attempting point-in-time recovery in RMAN?()
第21题:
You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8:00 P.M. Your database is running in ARCHIVELOG mode. On Monday, at 9:00 A.M., a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace. Which two clauses can you use with the RECOVER command?()
第22题:
UNTIL CANCEL
UNTIL SCN
UNTIL SEQUENCE
UNTIL TIME
第23题:
b, d, e
b, d, f
c, a, b, d, e
c, a, b, d, f
a, b, d, e