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【单选题】
能从学生表student中查询出所有内容的SQL语句是()
A.
select snam,sno from student
B.
select * where student
C.
select * from student
D.
select * form student
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参考答案：
举一反三
【单选题】在三面投影图中,( )投影同时反映了物体的宽度
A.
W面投影和H面投影
B.
V面投影和H面投影
C.
H面投影和K面投影
D.
V面投影和W面投影
查看完整题目与答案
【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
A.
3NF和7NF
B.
3NF和BCNF
C.
3NF和CBNF
D.
4NF和BCNF
查看完整题目与答案
【单选题】在三面投影图中,( )投影同时反映了物体的长度
A.
W面投影和H面投影
B.
V面投影和H面投影
C.
H面投影和K面投影
D.
V面投影和W面投影
查看完整题目与答案
【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
A.
3NF和7NF
B.
3NF和BCNF
C.
3NF 和 CBNF
D.
4NF 和BGNF
查看完整题目与答案
【多选题】M-L13-2 The Proviso shall NOT apply in respect of the following passenger ticket fares( ):
A.
differential
B.
voluntary rerouting (revised routing)
C.
Involuntary rerouting (revised routing)
D.
Infant fares
E.
children fares
查看完整题目与答案
【单选题】在三面投影图中，（）投影同时反映了物体的长度。
A.
w面投影和H面
B.
V面投影和H面
C.
H面投影和K面
D.
V面投影和W投影
查看完整题目与答案
【单选题】When field flux is invariable, the DC motor torque M is to armature current
A.
exponential
B.
integral
C.
differential
D.
proportional
查看完整题目与答案
【单选题】词汇与结构 Operational considerations typically require it to be set at 6,000 to 8,000 ft (1,800 to 2,400 m) – the latter being approximately 11 psi ( pound per square inch ) , giving a pressure _______ be...
A.
reference
B.
deference
C.
referential
D.
differential
查看完整题目与答案
【单选题】生产方式是指人们为获取物质生活资料而进行的生产活动的方式,它是
A.
地理环境和人口因素的统一
B.
社会存在和社会意识的统一
C.
经济基础和上层建筑的统一
D.
生产力和生产关系的统一
查看完整题目与答案
【单选题】You are the administrator of a SQL Server 2000 computer. The server contains a database that stores inventory data. Another database administrator has created a number of scheduled jobs to maintain th...
A.
Create a new DBCC SHRINKFILE job to shrink the inventory_data file. Schedule the new job to run at the same time as the DBCC SHRINKDATABASE job.
B.
Modify the DBCC SHRINKDATABASE job so that it uses DBCC SHRINKFILE statement to shrink each file individually.
C.
Increase the time between the data integrity checks and the differential backup.
D.
Increase the time between the differential backup and the DBCC SHRINKDATABASE job.
查看完整题目与答案
相关题目：
【单选题】在三面投影图中,( )投影同时反映了物体的宽度
A.
W面投影和H面投影
B.
V面投影和H面投影
C.
H面投影和K面投影
D.
V面投影和W面投影
查看完整题目与答案
【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
A.
3NF和7NF
B.
3NF和BCNF
C.
3NF和CBNF
D.
4NF和BCNF
查看完整题目与答案
【单选题】在三面投影图中,( )投影同时反映了物体的长度
A.
W面投影和H面投影
B.
V面投影和H面投影
C.
H面投影和K面投影
D.
V面投影和W面投影
查看完整题目与答案
【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
A.
3NF和7NF
B.
3NF和BCNF
C.
3NF 和 CBNF
D.
4NF 和BGNF
查看完整题目与答案
【多选题】M-L13-2 The Proviso shall NOT apply in respect of the following passenger ticket fares( ):
A.
differential
B.
voluntary rerouting (revised routing)
C.
Involuntary rerouting (revised routing)
D.
Infant fares
E.
children fares
查看完整题目与答案
【单选题】在三面投影图中，（）投影同时反映了物体的长度。
A.
w面投影和H面
B.
V面投影和H面
C.
H面投影和K面
D.
V面投影和W投影
查看完整题目与答案
【单选题】When field flux is invariable, the DC motor torque M is to armature current
A.
exponential
B.
integral
C.
differential
D.
proportional
查看完整题目与答案
【单选题】词汇与结构 Operational considerations typically require it to be set at 6,000 to 8,000 ft (1,800 to 2,400 m) – the latter being approximately 11 psi ( pound per square inch ) , giving a pressure _______ be...
A.
reference
B.
deference
C.
referential
D.
differential
查看完整题目与答案
【单选题】生产方式是指人们为获取物质生活资料而进行的生产活动的方式,它是
A.
地理环境和人口因素的统一
B.
社会存在和社会意识的统一
C.
经济基础和上层建筑的统一
D.
生产力和生产关系的统一
查看完整题目与答案
【单选题】You are the administrator of a SQL Server 2000 computer. The server contains a database that stores inventory data. Another database administrator has created a number of scheduled jobs to maintain th...
A.
Create a new DBCC SHRINKFILE job to shrink the inventory_data file. Schedule the new job to run at the same time as the DBCC SHRINKDATABASE job.
B.
Modify the DBCC SHRINKDATABASE job so that it uses DBCC SHRINKFILE statement to shrink each file individually.
C.
Increase the time between the data integrity checks and the differential backup.
D.
Increase the time between the differential backup and the DBCC SHRINKDATABASE job.
查看完整题目与答案
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