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多选题
You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY/x7fMM/x7fDD. The default format of which two data types would be affected by this setting?()
A
DATE
B
TIMESTAMP
C
INTERVAL YEAR TO MONTH
D
INTERVAL DAY TO SECOND
E
TIMESTAMP WITH LOCAL TIME ZONE
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You have the following requirements in relation to the detection of block corruption for your database instance: Check for logical self-consistency of data blocks when modified in memory. Checksums are calculated before and after the block change. Checks are performed for the lost writes to the physical standby database. Which method would help you perform the above checks automatically?()A、 Set the DB_SECUREFILE parameter to PERMITTEDB、 Set the DB_ULTRA_SAFE parameter to DATA_ONLYC、 Set the DB_LOCK_CHECKSUM parameter to TYPICALD、 Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL
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Your database is having two control files, three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down?()A、any control fileB、any archive log fileC、one of the redo log membersD、loss of the initialization parameter fileE、any data file belonging to the default permanent tablespac
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多选题You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting? ()ADATEBTIMESTAMPCINTERVAL YEAR TO MONTHDINTERVAL DAY TO SECONDETIMESTAMP WITH LOCAL TIME ZONE
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单选题Your database is started by using the server parameter file (SPFILE). You issued this command to change the value of the LOG_BUFFER initialization parameter: ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH; What would be the outcome of this command?()A
The command would return an error because LOG_BUFFER is a static parameter.B
The parameter value would be changed and it would come into effect immediately.C
You need to restart the database so that parameter changes can come into effect.D
The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
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多选题You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area? ()Abackup piecesBcontrol file autobackupsCcopies of all the parameter filesDtrace file generated using BACKUP CONTROLFILE TO TRACE
考题
单选题Your database is having two control files, three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down?()A
any control fileB
any archive log fileC
one of the redo log membersD
loss of the initialization parameter fileE
any data file belonging to the default permanent tablespac
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单选题You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter?()A
0B
1C
NONED
DEFAULT
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单选题You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()A
Set MEMORY_TARGET to zeroB
Set the STATISTICS_LEVEL parameter to BASICC
Set the WORKAREA_SIZE_POLICY parameter to MANUALD
Set the PGA_AGGREGATE_TARGET parameter to nonzero value
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单选题You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting?()A
The database will not start.B
The database will start but will not retain the undo data in the undo segment.C
The database will start, and the undo segment will contain the undo data for at least one hour.D
The database will start, and the undo segment will retain the undo data for at least 15 minutes.
考题
单选题You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem?()A
Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B
Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C
Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D
Increase the value of the SGA_TARGET initialization parameter.
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