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【单选题】
下列不属于水路运输特点的是( )
A.
运量大
B.
连续性差
C.
建设投入小
D.
运输速度快
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【单选题】A building society adds interest monthly to investors ’ accounts even though interest rates are expressed in annual terms. The current rate of interest is 6% per annum. An investor deposit $500 on 1 J...
A.
$15
B.
$15.19
C.
$30
D.
$30.84
查看完整题目与答案
【判断题】图示结构AB杆内力为零。【图片】
A.
正确
B.
错误
查看完整题目与答案
【单选题】Building a monthly budget is the first step. 此句中 ,budget 是什么意思?
A.
赤字
B.
预算
C.
结算
D.
欠款
查看完整题目与答案
【多选题】An RMAN backup job fails， displaying the following error：  ORA-19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full.  Which two actions could you take to ...
A.
take the backup of the flash recovery area less frequently
B.
increase the value of the UNDO_RETENTION initialization parameter
C.
change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D.
change the backup retention policy to retain the backups for a smaller period of time
E.
increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F.
increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
查看完整题目与答案
【单选题】An RMAN backup job fails， displaying the following error message：  ORA/x7f19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full. What would you do to resol...
A.
increase the value of UNDO_RETENTION
B.
change the value of WORKAREA_SIZE_POLICY to AUTO
C.
increase the value of DB_RECOVERY_FILE_DEST_SIZE
D.
increase the value of CONTROL_FILE_RECORD_KEEP_TIME
查看完整题目与答案
【多选题】An RMAN backup job fails， displaying the following error：  ORA/x7f19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full. Which two actions could you take t...
A.
take the backup of the flash recovery area less frequently
B.
increase the value of the UNDO_RETENTION initialization parameter
C.
change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D.
change the backup retention policy to retain the backups for a smaller period of time
E.
increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F.
increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
查看完整题目与答案
【多选题】You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this?（）
A.
set SQL_TRACE=True
B.
set UNDO_RETENTION=14400
C.
set FAST_START_MTTR_TARGET=240
D.
set LOG_CHECKPOINT_INTERVAL=240
E.
set DB_FLASHBACK_RETENTION_TARGET=14400
F.
set the RETENTION GUARANTEE clause for the undo tablespace
查看完整题目与答案
【判断题】图示结构 AB 杆内力为零
A.
正确
B.
错误
查看完整题目与答案
【单选题】Following the Harvard scandal, Mary Miller, the former dean of students at Yale, made an impassioned appeal to her school's professors to refrain from takehome exams. “Students risk health and well be...
A.
Elderly students find it hard to keep up with the rapid changes in education.
B.
Some believe take-home exams may affect students' performance in other courses.
C.
Certain professors believe in-class exams are ultimately more helpful to students.
D.
In-class exams are believed to discourage cheating in exams.
E.
The author was happy to learn she could do some exams at home.
F.
Students who put off their work until the last moment often find the exams more difficult than they actually are.
G.
Different students may prefer different types of exams.
查看完整题目与答案
【单选题】Why not__________ a monthly budget?
A.
build
B.
to build
C.
building
D.
builds
查看完整题目与答案
相关题目：
【单选题】A building society adds interest monthly to investors ’ accounts even though interest rates are expressed in annual terms. The current rate of interest is 6% per annum. An investor deposit $500 on 1 J...
A.
$15
B.
$15.19
C.
$30
D.
$30.84
查看完整题目与答案
【判断题】图示结构AB杆内力为零。【图片】
A.
正确
B.
错误
查看完整题目与答案
【单选题】Building a monthly budget is the first step. 此句中 ,budget 是什么意思?
A.
赤字
B.
预算
C.
结算
D.
欠款
查看完整题目与答案
【多选题】An RMAN backup job fails， displaying the following error：  ORA-19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full.  Which two actions could you take to ...
A.
take the backup of the flash recovery area less frequently
B.
increase the value of the UNDO_RETENTION initialization parameter
C.
change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D.
change the backup retention policy to retain the backups for a smaller period of time
E.
increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F.
increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
查看完整题目与答案
【单选题】An RMAN backup job fails， displaying the following error message：  ORA/x7f19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full. What would you do to resol...
A.
increase the value of UNDO_RETENTION
B.
change the value of WORKAREA_SIZE_POLICY to AUTO
C.
increase the value of DB_RECOVERY_FILE_DEST_SIZE
D.
increase the value of CONTROL_FILE_RECORD_KEEP_TIME
查看完整题目与答案
【多选题】An RMAN backup job fails， displaying the following error：  ORA/x7f19809： limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full. Which two actions could you take t...
A.
take the backup of the flash recovery area less frequently
B.
increase the value of the UNDO_RETENTION initialization parameter
C.
change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D.
change the backup retention policy to retain the backups for a smaller period of time
E.
increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F.
increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
查看完整题目与答案
【多选题】You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this?（）
A.
set SQL_TRACE=True
B.
set UNDO_RETENTION=14400
C.
set FAST_START_MTTR_TARGET=240
D.
set LOG_CHECKPOINT_INTERVAL=240
E.
set DB_FLASHBACK_RETENTION_TARGET=14400
F.
set the RETENTION GUARANTEE clause for the undo tablespace
查看完整题目与答案
【判断题】图示结构 AB 杆内力为零
A.
正确
B.
错误
查看完整题目与答案
【单选题】Following the Harvard scandal, Mary Miller, the former dean of students at Yale, made an impassioned appeal to her school's professors to refrain from takehome exams. “Students risk health and well be...
A.
Elderly students find it hard to keep up with the rapid changes in education.
B.
Some believe take-home exams may affect students' performance in other courses.
C.
Certain professors believe in-class exams are ultimately more helpful to students.
D.
In-class exams are believed to discourage cheating in exams.
E.
The author was happy to learn she could do some exams at home.
F.
Students who put off their work until the last moment often find the exams more difficult than they actually are.
G.
Different students may prefer different types of exams.
查看完整题目与答案
【单选题】Why not__________ a monthly budget?
A.
build
B.
to build
C.
building
D.
builds
查看完整题目与答案