A.when a DELETE statement is executed
B.when a ROLLBACK command is executed
C.when a PL/SQL anonymous block is executed
D.when a data definition language (DDL) statement is executed
E.when a TRUNCATE statement is executed after the pending transact ion
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A.It can have a maximum of five expressions in a list
B.It returns the highest NOT NULL value in the list for all rows
C.It requires that all expressions in the list must be of the same data type
D.It requires that at least one of the expressions in the list must have a NOT NULL value
A.RMAN will attempt to make the backup run as fast as possible without any IO limitations.
B.RMAN will automatically restrict the number of channels in use to one.
C.RMAN will spread the backup IO over the total duration stated in the backup command.
D.RMAN will skip any datafile that currently is involved in an IO operation. RMAN will retry backing up the datafile later and an error will be raised at the end of the backup if the datafile cannot be backed up.
E.Datafiles will be backed up; those having the lowest current number of IO operations will be backed up first.
A.V$SESSION_EVENT
B.V$SESSION
C.V$W0041ITS
D.V$WAITSTAT
E.V$SESSION_LONGOPS
A.The backup set has exceeded the retention criteria set in RMAN and is eligible for removal.
B.The backup set has one or more invalid blocks in it and is not usable for recovery.
C.The backup set contains one or more tablespaces no longer in the database.
D.The backup set contains one or more missing backup set pieces.
E.The backup set is from a previous version of RMAN and was not upgraded.
A.backup database plus archivelog
B.backup database plus archivlog until time ‘10:00‘
C.backup database plus archivelog timeout ‘10:00‘
D.backup database plus archivelog duration 10:00
A.synch catalog
B.resync catalog
C.replicate catalog
D.update catalog
E.restore catalog
A.list database backup
B.report database backup
C.list backup of database
D.list summary backup
E.report backup of database
A.Database Datafiles
B.Database Control Files
C.Online redo logs
D.Archived redo logs
E.The database SPFILE
F.None of the above, all these files are backed up.
A.restore datafiles until time '09/28/2008:21:03:11'
B.restore database files until time '09/28/2008:18:00:00'
C.restore database until time '09/28/2008:18:00:00'
D.recover database until time '09/28/2008:18:00:00'
E.recover database until timestamp '09/28/2008:18:00:00'
A.alter database controlfile autobacku on
B.alter system controlfile autobackup on
C.configure controlfile autobackup on
D.enable controlfile autobackup
最新试题
You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure, you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task:Which option illustrates the correct sequence that you must use?（）
Examine the parameter setting in your database:Which statement is correct about the database?（）
The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?（）
Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?（）
Note the following statements that use flashback technology:1. FLASHBACK TABLE <table> TO SCN <scn>;2. SELECT * FROM <table> AS OF SCN 123456;3. FLASHBACK TABLE <table> TO BEFORE DROP;4. FLASHBACK DATABASE TO TIMESTAMP <timestamp>;5. SELECT * FROM <table> VERSIONS AS OF SCN 123456 AND 123999;Which of these statements will be dependent on the availability of relevant undo data in the undo segment?（）
View the exhibit and examine the TRANS table's storage information.After a massive delete operation, you executed the following statement to shrink the TRANS table:SQL> ALTER TABLE trans SHRINK SPACE CASCADE;Which statement describes the outcome of the command?（）
User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?（）
Which options would you consider while configuring a flash recovery area (fast recovery area in 11g Release 2) for your production database that is running in ARCHIVELOG mode?（）
Examine the following ALTER command:SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;What is the purpose of the command?（）
Examine the following RMAN script:Which statement describes the purpose of the script?（）