考题
经销商关系模式为E (Comp,Ph),其中Comp表示经销商公司名称,Ph表示经销商的电话号码。要求将下面的SQL语句补充完整,使其可以查询电话区号为025的所有经销商的公司名称、电话号码。 SELECT Comp,Ph FROM E WHERE ______。A.Ph='025'B.substring(Ph,1,3)='025'C.substring(Ph,1,2,3)='025'D.Ph like'025*'
考题
函数Int(Rnd*10)是在( )范围内的整数。
A.(0,10)B.(0,10]C.[0,10)D.[0,10]
考题
调制传递函数(MTF)的值域为
A、(0,1)B、(0,10)C、[0,100]D、[0,1]E、[0,10]
考题
函数Int(Rnd*10)是在()范围内的整数。A(0,10)B(0,10]C[0,10)D[0,10]
考题
下面()是正确的DOS命令。A、COMP A:*.BAK B:*.BAKB、COMP A:B:C、DISKCOMP A:ABC B:ABC
考题
上行CoMP和下行CoMP的实现都依赖于终端。
考题
下列()是news服务的URL的正确范例。A、news:comp.infosystems.www.miscB、news://comp.infosystems.www.miscC、//comp.infosystems.www.miscD、comp.infosystems.www.misc
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固定薪酬中的“基本工资”也即是()。A、comp4B、comp1C、comp2D、comp3
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下面哪些组件提供add(Component comp)方法用于包含其他组件()。A、AppletB、MenuBarC、FrameD、PanelE、MenuItem
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以下对协作多点传输(CoMP)技术的描述,哪些是正确的?() A、CoMP能够通过降低小区间干扰直接带来系统性能提升B、与MIMO相似,但是需要多个eNB协作C、协作多点传输(CoMP)不能与载波聚合技术同时使用D、协作多点传输(CoMP)仅应用于上行
考题
ejb环境变量如何调用名为ejbC的ejb ()A、 initCtx.lookup("java:comp/env/ejb/ejbC")B、 initCtx.lookup("java:comp/ejb/ejbC")C、 initCtx.lookup("java:comp/ejbC")D、 initCtx.lookup("java:comp/env/ejbC")
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You observe that database performance has degraded over a period of time. While investigating the reason, you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to, in order to determine the required size of the database buffer cache?() A、Memory AdvisorB、Segment AdvisorC、SQL Tuning AdvisorD、SQL Access AdvisorE、Automatic Database Diagnostic Monitor (ADDM)
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Which component of the Oracle networking architecture provides character set and data type conversion between different character sets on the client and server? ()A、SQL*PlusB、Oracle NetC、Two-Task Common (TTC)D、Oracle Protocol Support (OPS)
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View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities:SQL SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0;What do you infer from this()A、The database instance is running with manual PGA management.B、The database instance is running with manual shared memory management.C、The database instance has the MEMORY_TARGET value set to a nonzero value.D、All sessions are connected to the database instance in dedicated mode, and no RMAN or parallel queryoperations have been performed
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Which component does the SQL Tuning Advisor NOT analyze for the SQL statements?() A、ADDMB、AWRC、Cursor CacheD、SQL Tuning SetsE、Flash Recovery Area
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Which component of the SGA stores parsed SQL statements is used for process sharing?()A、Buffer cache B、Redo log buffer C、Private SQL area D、Library cache E、Row cache
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An on-premise .NET application uses an on-premise Microsoft SQL Server 2008 database. The existing compute infrastructure is insufficient to support peak loads. You plan to move only the compute-intensive component of the application into Windows Azure. The component requires access to the on-premise database. The on-premise database cannot be accessed from outside the network boundary. You need to recommend a database topology. What should you recommend?()A、 Use SQL Azure for the on-premise components and the compute-intensive component.B、 Configure merge replication with the on-premise database as publisher and the SQL Azure database as subscriber.C、 Configure snapshot replication with the on-premise database as publisher and the SQL Azure database assubscriber.D、 Configure snapshot replication with the SQL Azuredatabase as publisher and the on-premise database as subscriber.
考题
单选题函数Int(Rnd*10)是在()范围内的整数。A
(0,10)B
(0,10]C
[0,10)D
[0,10]
考题
单选题Which component does the SQL Tuning Advisor NOT analyze for the SQL statements?()A
ADDMB
AWRC
Cursor CacheD
SQL Tuning SetsE
Flash Recovery Area
考题
判断题上行CoMP和下行CoMP的实现都依赖于终端。A
对B
错
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多选题某小区T_COMP=2,T_TDROP=3,其具体对应的值,正确的是()AT_COMP=1dBBT_TDROP=4秒CT_COMP=2dBDT_TDROP=2秒ET_TDROP=3秒
考题
单选题Which component of the SGA stores parsed SQL statements is used for process sharing?()A
Buffer cache B
Redo log buffer C
Private SQL area D
Library cache E
Row cache
考题
单选题You observe that a database performance has degraded over a period of time. While investigating the reason, you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to, in order to determine that required size of the database buffer cache? ()A
Memory AdvisorB
Segment AdvisorC
SQL Tuning AdvisorD
SQL Access AdvisorE
Automatic Database Diagnostic Monitor (ADDM)
考题
单选题ejb环境变量如何调用名为ejbC的ejb ()A
initCtx.lookup(java:comp/env/ejb/ejbC)B
initCtx.lookup(java:comp/ejb/ejbC)C
initCtx.lookup(java:comp/ejbC)D
initCtx.lookup(java:comp/env/ejbC)
考题
单选题下列()是news服务的URL的正确范例。A
news:comp.infosystems.www.miscB
news://comp.infosystems.www.miscC
//comp.infosystems.www.miscD
comp.infosystems.www.misc
考题
单选题An on-premise .NET application uses an on-premise Microsoft SQL Server 2008 database. The existing compute infrastructure is insufficient to support peak loads. You plan to move only the compute-intensive component of the application into Windows Azure. The component requires access to the on-premise database. The on-premise database cannot be accessed from outside the network boundary. You need to recommend a database topology. What should you recommend?()A
Use SQL Azure for the on-premise components and the compute-intensive component.B
Configure merge replication with the on-premise database as publisher and the SQL Azure database as subscriber.C
Configure snapshot replication with the on-premise database as publisher and the SQL Azure database assubscriber.D
Configure snapshot replication with the SQL Azuredatabase as publisher and the on-premise database as subscriber.
考题
单选题调制传递函数(MTF)的值域为()。A
(0,1)B
(0,10)C
[0,100]D
[0,1]E
[0,10]