View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation：   RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； }   What is the multiplexing level in the p

题目

View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation：   RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； }   What is the multiplexing level in the preceding backup process？（）

  • A、 4
  • B、 8
  • C、 7
  • D、 0
相似考题

1.What does"a bird's-eye view"mean?A． See a view with a bird' s eyes.B． A bird looks at a beautiful view.C． It is a general view from a high position.D． If is a scenic place.

2.CNA中可以通过下列哪几种方式查看BestPCCPCH_RSCP()A.View In TableB.View In GridC.View In GridChartD.View In MapE.View In Statistic

3.In the past half century, language teaching and learning practices have been influenced by three different views of language, namely, __________.A.the structural viewB.the functional view and the interactional viewC.the structural view and the interactional viewD.the functional view and the interactional view

4.CNA中可以通过()对测试路线上PCCPCHBestRSCP进行分段统计A.View In GridB.View In GridChartC.View In TableD.View In Statistic

更多“View the Exhibit&ensp”相关问题

  • 第1题：

    选择下面哪一个命令，可以在工作时获得最好的视觉效果()

    A.“View-SimpleWireframe”

    B.“View-Wireframe”

    C.“View-Draft”

    D.“View-Enhanced”


    参考答案：D

  • 第2题：

    What is true about updates through a view? ()

    A. You cannot update a view with group functions.

    B. When you update a view group functions are automatically computed.

    C. When you update a view only the constraints on the underlying table will be in effect.

    D. When you update a view the constraints on the views always override the constraints on the underlying tables.


    参考答案：A

  • 第3题：

    删除视图salary的命令是 A) DROP salary VIEW B）DROP VIEW salary C）DELETE salary VIEW D）DELETE salary


    正确答案：B
    本题考查SQL中删除视图的命令．删除视图的命令格式为：
    　　DROP VIEW <视图名>
    　　故选项B为正确答案。

  • 第4题：

    删除视图myview的命令是( )。

    A．DELETE myview

    B．DELETE VIEW myview

    C．DROP VIEW myview

    D．REMOVE VIEW myview


    正确答案：C
    解析：视图由于是从表中派生出来的，所以不存在修改结构问题，但视图可以删除。删除视图的语法是：drop view视图名。

  • 第5题：

    You are granted the CREATE VIEW privilege. What does this allow you to do?（）

    • A、Create a table view.
    • B、Create a view in any schema.
    • C、Create a view in your schema.
    • D、Create a sequence view in any schema.
    • E、Create a view that is accessible by everyone.
    • F、Create a view only of it is based on tables that you created.

    正确答案:C

  • 第6题：

    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view? （）

    • A、Use the DESCRIBE command in the EMP_DEPT VU view.
    • B、Use the DEFINE VIEW command on the EMP_DEPT VU view.
    • C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view.
    • D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
    • E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
    • F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.

    正确答案:D

  • 第7题：

    CNA中可以通过（）对测试路线上PCCPCHBestRSCP进行分段统计

    • A、View In Grid
    • B、View In GridChart
    • C、View In Table
    • D、View In Statistic

    正确答案:C

  • 第8题：

    Choose the correct order to package and upload data for an incident to Oracle Support.（）  

    • A、 Schedule，create new package，view manifest，view contents
    • B、 Create new package，view manifest，view contents，schedule
    • C、 Schedule，create new package，view contents，view manifest
    • D、 Create new package，view contents，view manifest，schedule
    • E、 None of the above.

    正确答案:D

  • 第9题：

    单选题
    Choose the correct order to package and upload data for an incident to Oracle Support.（）
    A

     Schedule，create new package，view manifest，view contents

    B

     Create new package，view manifest，view contents，schedule

    C

     Schedule，create new package，view contents，view manifest

    D

     Create new package，view contents，view manifest，schedule

    E

     None of the above.


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    You are granted the CREATE VIEW privilege. What does this allow you to do?（）
    A

    Create a table view.

    B

    Create a view in any schema.

    C

    Create a view in your schema.

    D

    Create a sequence view in any schema.

    E

    Create a view that is accessible by everyone.

    F

    Create a view only of it is based on tables that you created.


    正确答案： E
    解析： 暂无解析

  • 第11题：

    单选题
    Which version of a view would you use if you just want a quick， easy view within your XPage？（）
    A

    Data Table Control

    B

    View Control

    C

    Repeat Control

    D

    Filter by category View Control


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    What does the FORCE option for creating a view do?（）
    A

    creates a view with constraints

    B

    creates a view even if the underlying parent table has constraints

    C

    creates a view in another schema even if you don't have privileges

    D

    creates a view regardless of whether or not the base tables exist


    正确答案： A
    解析： 暂无解析

  • 第13题：

    在数据库已打开的情况下，利用SQL命令从学生表中派生出含有“学号”、“姓名”和“年龄”字段的视图，下列语句正确的是

    A．CREATE VIEW xs_view AS； SELECT学号，姓名，年龄FROM学生表

    B．CREATE VIEW xs_view； SELECT学号，姓名，年龄FROM学生表

    C．CREATE VIEW xs_view AS； (SELECT学号，姓名，年龄FROM学生表)

    D．CREATE VIEW xs_view； (SELECT学号，姓名，年龄FROM学生表)


    正确答案：A
    解析：在SQL的数据定义功能中，可以对视图进行定义，语句格式为：CREATEVIEWview_name[(column_name[，column_name]．．．)]ASselect_statement

  • 第14题：

    You are granted the CREATE VIEW privilege. What does this allow you to do? ()

    A. Create a table view.

    B. Create a view in any schema.

    C. Create a view in your schema.

    D. Create a sequence view in any schema.

    E. Create a view that is accessible by everyone.

    F. Create a view only of it is based on tables that you created.


    参考答案：C

  • 第15题：

    修改本地视图的命令是

    A) OPEN VIEW B）CREATE VIEW

    C）USE VIEW D）MODIFY VIEW


    正确答案：D
    修改本地视图的命令是MODIFY VIEW穿件视图的命令是CREATE VIEW，打开视图的命令是USE VIEW,VisualFoxPro中没有OPEN VIEW命令，故选项D为正确答案。

  • 第16题：

    CNA中可以通过下列哪几种方式查看BestPCCPCH_RSCP（）

    • A、View In Table
    • B、View In Grid
    • C、View In GridChart
    • D、View In Map
    • E、View In Statistic

    正确答案:A,B,C,D,E

  • 第17题：

    Which two statements about views are true? （）

    • A、A view can be created as read only.
    • B、A view can be created as a join on two or more tables.
    • C、A view cannot have an ORDER BY clause in the SELECT statement.
    • D、A view cannot be created with a GROUP BY clause in the SELECT statement.
    • E、A view must have aliases defined for the column names in the SELECT statement.

    正确答案:A,B

  • 第18题：

    状态栏的打开和关闭可利用菜单进行设置，方法为执行菜单命令（）。

    • A、［View］/［Status Bar］
    • B、［View］/［Command Status］
    • C、［View］/［Toolbars］
    • D、［View］/［WorkspacePanels］

    正确答案:A

  • 第19题：

    Which version of a view would you use if you just want a quick， easy view within your XPage？（）

    • A、Data Table Control
    • B、View Control
    • C、Repeat Control
    • D、Filter by category View Control

    正确答案:B

  • 第20题：

    单选题
    You executed the following code：   BACKUP VALIDATE DATABASE；   BLOCKRECOVER CORRUPTION LIST；  What will be the result of executing the above code？（）
    A

     The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks， if any， recorded in the view.

    B

     The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.

    C

     The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks， if any， recorded in the view.

    D

     The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks， if any， recorded in the view.


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    MVC的分层体系结构是（）。
    A

    Model/View/Components

    B

    Model/View/Controller

    C

    Model/View/Class

    D

    Modem/View/Controller


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ; When will DB2 access the data from table T1 for view V1?（）
    A

    When view V1 is created

    B

    Each time the REFRESH VIEW v1 statement is executed

    C

    Each time an SQL statement is executed against view V1

    D

    Only the first time an SQL statement is executed against view V1


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    What is true about updates through a view? （）
    A

    You cannot update a view with group functions.

    B

    When you update a view group functions are automatically computed.

    C

    When you update a view only the constraints on the underlying table will be in effect.

    D

    When you update a view the constraints on the views always override the constraints on the underlying tables.


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）
    A

    Use the DESCRIBE command on the EMP_DEPT_VU view.

    B

    Use the DEFINE VIEW command on the EMP_DEPT_VU view.

    C

    Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.

    D

    Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.

    E

    Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.

    F

    Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.


    正确答案： E
    解析： 暂无解析

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