First View是指（）。A．网站的首页B．网站首页中的第一屏C．网站首页上的第一个广告D．网站首页上的第一行文字

题目

First View是指（）。

A．网站的首页

B．网站首页中的第一屏

C．网站首页上的第一个广告

D．网站首页上的第一行文字

相似考题

1.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

2.View the Exhibit exhibit1 to examine the series of SQL commands. View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline. The baseline in the first row of the Exhibit is created when OPTIMIZER_MODE was set to FIRST_ROWS.Which statement is true if the SQL query in exhibit1 is executed again when the valueof OPTIMIZER_MODE is set to FIRST_ROWS?（）A. The optimizer uses a new plan because none of the plans in the exhibit2 are fixed plans.B. The optimizer uses the plan in the second row of the exhibit2 because it is an accepted plan.C. The optimizer uses the plan in the first row of the exhibit2 because it is the latest generated plan.D. The optimizer uses the plan in the first row of the exhibit2 because OPTIMIZER_MODE was set to FIRST_ROW during its creation.

3.Review the definition of the phone_list view.CHEATE OR REPLACE ALGORITHM=MERGE DEFINER= ‘root‘@localhost‘ SQL SECURITY DEFINER VIEW ‘phone_list‘ AS SELECTe . id as id ‘e . first_name AS ‘first_name‘ ‘e . last_name AS ‘last_name‘ ‘coalesce ( ph1.phone_no, ‘ – ‘) AS ‘office_no‘ ‘coalesce (ph2 .phone_no, ‘ – ‘) AS ‘cell_no‘ FROM employees e LEFT JOIN employee_phone ph1 ON ph1.emp_id = e.id AND ph1.type = ‘office‘ LEFT JOIN employee_phone ph2 ON ph2 .emp_id = e.id AND ph2 .type = ‘mobile‘The tables employees and employee_phone are InnoDB tables;all columns are used in this view. The contents of the phone_list view are as follows: Mysql> select * from phone_list; 1 row in set (0.00 sec)Which method can you use to change the cell_no value to ‘555-8888‘ for John Doe?（）A.INSERT INTO employee_phone (emp_id, phone_no, type) VALUES (1, ‘555-8888‘,‘mobile‘)B.UPDATE phone_list SET cell_name ‘555-8888‘ WHERE first_name= ‘John‘ and last_name= ‘Doe‘C.DELETE FROM phone_list WHERE first_name= ‘John‘ and last_name= ‘Doe‘; INSERT INTO phone_list (first_name, last_name, office_no, cell_no) VALUES (‘John‘ , ‘Doe‘ , ‘x1234‘ , ‘555-8888)D.UPDATE employee_phone SET phone_no= ‘555-8888‘ where emp_id=1

4.X－rays are also called Rontgen rays ( )the discoveries who first put them to use.A. in case ofB. in view ofC. in place ofD. in honor of

更多“First View是指（）。”相关问题

  • 第1题：

    在SQL语言中，删除视图的语句是______。

    A．ALTER VIEW；

    B．DROP VIEW；

    C．ZAP VIEW；

    D．DELETE VIEW；


    正确答案：B

  • 第2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3题：

    When rejecting applied an dependent updates on an AIX 5L system, which of the following procedures is most appropriate to follow?()

    A.Use the install PREVIEW option to view a list of all updates that will be rejected

    B.Use the lslpp -d command to view the dependent filesets that will be rejected

    C.Select the SMIT option to Verify Software Requisites and Installations first to generate a list of all applied updates.

    D.Select the SMIT option to List the Maintenance Level of a Software Product to double check the update level that should be removed


    参考答案：A

  • 第4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5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6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7题：

    单选题
    The first sentence of the sixth paragraph implies that ______.
    A

    only actual therapy can ensure adequate treatment

    B

    the help given by the web service is doubtful

    C

    doctors have expressed a negative view of the service

    D

    a therapist’s office is the first place for the depressed to go


    正确答案： C
    解析：
    推理判断题。文章第六段指出，“Ulifeline是第一个指出它的服务不能代替真正治疗的”，由此推断，该网站虽然可以提供咨询，但想要消除抑郁症状仍需真正的治疗，故A项为正确答案。

  • 第8题：

    单选题
    You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables: EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME. The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary key DEPARTMENT_ID column of the DEPARTMENTS table. You want to modify the view by adding a fourth column, MANAGER_ID of NUMBER data type from the EMPLOYEES tables. How can you accomplish this task?（）
    A

    ALTER VIEW EMP_dept_vu (ADD manger_id NUMBER);

    B

    MODIFY VIEW EMP_dept_vu (ADD manger_id NUMBER);

    C

    ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department _ id = d.department_id;

    D

    MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;

    E

    CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;

    F

    You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.


    正确答案： F
    解析： 暂无解析

  • 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
    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11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

  • 第12题：

    单选题
    You find this query being used in your Oracle 12c database: Which method a used by the optimizer to limit the rows being returned?（）
    A

    A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows

    B

    All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application.

    C

    A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows.

    D

    A TOP-N query is created to limit the rows to 20 percent of the total rows


    正确答案： B
    解析： 暂无解析

  • 第13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14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15题：

    FACULTY表包含以下各列： FACULTYID VARCHAR2(5) NOT NULL PRIMARY KEY FIRST_NAME VARCHAR2(20) LAST_NAME VARCHAR2(20) ADDRESS VARCHAR2(35) CITY VARCHAR2(15) STATE VARCHAR2(2) ZIP NUMBER(9) TELEPHONE NUMBER(10) STATUS VARCHAR2(2) NOT NULL COURSE 表包含以下各列： COURSEID VARCHAR2(5) NOT NULL PRIMARY KEY SUBJECT VARCHAR2(5) TERM VARCHAR2(6 FACULTYID VARCHAR2(5) NOT NULL FOREIGN KEY 您需要制定一个报表，用于确定在下学期任教的所有副教授。您要创建一个视图来简化报表的创建过程。以下哪条CREATE VIEW语句将完成此任务（）

    • A、CREATE VIEW（SELECT first_name，last_name，status，courseid，subject，term FROM faculty，course WHERE facultyid=facultyid）
    • B、CREATE VIEW pt_view ON（SELEC Tfirst_name，last_name，status，courseid，subject，term FROM faculty f and coursec WHERE f.facultyid=c.facultyid）
    • C、CREATE VIEW pt_view IN（SELECT first_name，last_name，status，courseid，subject，term FROM faculty course）
    • D、CREATE VIEW pt_view AS（SELECT first_name，last_name，status，courseid，subject，term FROM facultyf，coursec WHERE f.facultyid=c.facultyid）

    正确答案:D

  • 第16题：

    When rejecting applied an dependent updates on an AIX 5L system, which of the following procedures is most appropriate to follow?（）

    • A、Use the install PREVIEW option to view a list of all updates that will be rejected
    • B、Use the lslpp -d command to view the dependent filesets that will be rejected
    • C、Select the SMIT option to Verify Software Requisites and Installations first to generate a list of all applied updates.
    • D、Select the SMIT option to List the Maintenance Level of a Software Product to double check the update level that should be removed

    正确答案:A

  • 第17题：

    Which Designer view would a coder first check for an XPage that will not save？（）

    • A、Applications
    • B、Problems
    • C、Controls
    • D、Event

    正确答案:B

  • 第18题：

    单选题
    How do people look at telecommuting according to the first paragraph?
    A

    They are against it.

    B

    They don’t care about it.

    C

    They share the same view.

    D

    They differ in their opinions.


    正确答案： C
    解析：
    主旨题。由题干定位到文章的第一段。由文章第一段第一句“Everybody has an opinion about telecommuting”可知，每个人对远程办公都有自己的看法，作者在后面的文中也提到了几种看法。D项是答案。A项以偏概全。B项错误，语意相反，并不是漠不关心。C项与原文意思相悖。

  • 第19题：

    单选题
    You are creating a Web Form. The Web Form allows users to rename or delete products in a list. You create a DataTable named dtProducts that is bound to a GridView. DataTable has the following four rows. dtProducts. Rows(0)("ProductName") = "Soap"dtProducts. Rows(1)("ProductName") = "Book"dtProducts. Rows(2)("ProductName") = "Computer"dtProducts. Rows(3)("ProductName") = "Spoon"dtProducts. AcceptChanges（　） The user utilizes a Web Form to delete the first product. You need to set the RowStateFilter property of the DataTables DefaultView so that only products that have not been deleted are shown. To which value should you set the DataTabless DefaultView.RowStateFilter?（）
    A

    Data View Row State.Modified Original

    B

    Data View Row State.Modified Current

    C

    Data View Row State.Current Rows

    D

    Data View Row State.Added


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    When configuring role-based CLI on a Cisco router，which action will be taken first ？（）
    A

    Create a parser view called root view.

    B

    Log in to the router as the root user.

    C

    Enable the root view on the router.

    D

    Enable role-based CLI globally on the router using the privileged EXEC mode Cisco IOS command.


    正确答案： B
    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
    评估此CREATE VIEW 语句： CREATE VIEW pt_view AS (SELECT first_name, last_name, status, courseid, subject, term FROM faculty f, course c WHERE f.facultyid = c.facultyid); 此语句将创建什么类型的视图（）
    A

    嵌套

    B

    简单

    C

    内嵌

    D

    复杂


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    View the Exhibits. You performed operations on the DEPT4 table as shown in the Exhibit. When you perform the FlashbackVersions Query， you find that the first two updates are not listed. What could be the reason？（）
    A

    The row movement is not enabled on the table.

    B

    The first two updates were not explicitly committed.

    C

    The Flashback Versions Query lists only the most recent update.

    D

    The Flashback Versions Query stops producing rows after it encounters a time in the past when the  table structure was changed.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    57. A At first sight     B At the beginning   C In the first view   D From the first
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： B
    解析：

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