单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）A An error is r

题目
单选题
Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）
A

An error is returned.

B

You are prompted to enter a new value.

C

A report is produced that matches the first report produced.

D

You are asked whether you want a new value or if you want to run the report based on the previous value.

相似考题

1.Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）A. An error is returned.B. You are prompted to enter a new value.C. A report is produced that matches the first report produced.D. You are asked whether you want a new value or if you want to run the report based on the previous value.

2.Evaluate this SQL statement:What will happen if you remove all the parentheses from the calculation?()A. The value displayed in the CALC_VALUE column will be lower.B. The value displayed in the CALC_VALUE column will be higher.C. There will be no difference in the value displayed in the CALC_VALUE column.D. An error will be reported.

3.The STUDENT_GRADES table has these columns:The register has requested a report listing the students‘ grade point averages (GPA), sorted from highest grade point average to lowest within each semester, starting from the earliest date. Which statement accomplishes this?（）A. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end DESC, gpa DESC;B. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end ASC, gpa ASC;C. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end, gpa DESC;D. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC, semester_end DESC;E. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC, semester_end ASC;

4.The STUDENT_GRADES table has these columns:STUDENT_ID NUMBER(12)SEMESTER_END DATEGPA NUMBER(4,3)The registrar requested a report listing the students‘ grade point averages (GPA) sorted from highest grade point average to lowest.Which statement produces a report that displays the student ID and GPA in the sorted order requested by the registrar? （）A. SELECT student_id, gpa FROM student_grades ORDER BY gpa ASC;B. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa ASC;C. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa;D. SELECT student_id, gpa FROM student_grades ORDER BY gpa;E. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa DESC;F. SELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;

更多“单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）A An error is retu”相关问题

  • 第1题：

    Which statement is true regarding the password-recovery process?（）

    • A、You must have a console connection
    • B、You cannot set the console port to an insecure mode
    • C、You must press the Enter key so that you can boot into single-user mode
    • D、When prompted to enter the full pah name of the shell you must press the Enter key

    正确答案:A

  • 第2题：

    Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）

    • A、An error is returned.
    • B、You are prompted to enter a new value.
    • C、A report is produced that matches the first report produced.
    • D、You are asked whether you want a new value or if you want to run the report based on the previous value.

    正确答案:C

  • 第3题：

    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）

    • A、SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;
    • B、SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;
    • C、SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY semester_end;
    • D、SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student_grades;
    • E、SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;

    正确答案:C

  • 第4题：

    Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > &&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）

    • A、An error is returned.
    • B、You are prompted to enter a new value.
    • C、A report is produced that matches the first report produced.
    • D、You are asked whether you want a new value or if you want to run the report based on the previous value.

    正确答案:C

  • 第5题：

    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The registrar requested a report listing the students' grade point averages (GPA) sorted from highest grade point average to lowest. Which statement produces a report that displays the student ID and GPA in the sorted order requested by the registrar?（）

    • A、SELECT student_id, gpa FROM student_grades ORDER BY gpa ASC;
    • B、SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa ASC;
    • C、SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa;
    • D、SELECT student_id, gpa FROM student_grades ORDER BY gpa;
    • E、SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa DESC;
    • F、SELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;

    正确答案:F

  • 第6题：

    Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? （）

    • A、An error is generated.
    • B、You will have two identical tables in the HR schema with different names.
    • C、You create a table called employees in the HR schema based on you EMP table.
    • D、You create an alternative name for the employees table in the HR schema in your own schema.

    正确答案:D

  • 第7题：

    单选题
    Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?（）
    A

    An error is generated.

    B

    You will have two identical tables in the HR schema with different names.

    C

    You create a table called employees in the HR schema based on you EMP table.

    D

    You create an alternative name for the employees table in the HR schema in your own schema.


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The register has requested a report listing the students' grade point averages (GPA), sorted from highest grade point average to lowest within each semester, starting from the earliest date. Which statement accomplishes this?（）
    A

    SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end DESC, gpa DESC;

    B

    SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, ASC,gpa ASC;

    C

    SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, gpa DESC;

    D

    SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC,semester_end DESC;

    E

    SELECT student_id, semester_end, gpa FROM student_grades


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    The STUDENT_GRADES table has these columns STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds students who have a grade point average (GPA) greater than 3.0 for the calendar year 2001?（）
    A

    SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' OR gpa > 3.;

    B

    SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa gt 3.0;

    C

    SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa > 3.0;

    D

    SELECT student_id, gpa FROM student_grades WHERE semester_end > '01-JAN-2001' OR semester_end < '31-DEC-2001' AND gpa >=s 3.0;


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）
    A

    SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;

    B

    SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;

    C

    SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY semester_end;

    D

    SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student_grades;

    E

    SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Evaluate this SQL statement: What will happen if you remove all the parentheses from the calculation?（）
    A

    The value displayed in the CALC_VALUE column will be lower.

    B

    The value displayed in the CALC_VALUE column will be higher.

    C

    There will be no difference in the value displayed in the CALC_VALUE column.

    D

    An error will be reported.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）
    A

    An error is returned.

    B

    You are prompted to enter a new value.

    C

    A report is produced that matches the first report produced.

    D

    You are asked whether you want a new value or if you want to run the report based on the previous value.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The registrar has asked for a report on the average grade point average (GPA) for students enrolled during semesters that end in the year 2000. Which statement accomplish this? （）

    • A、SELECT AVERAGE(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
    • B、SELECT COUNT(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
    • C、SELECT MIN(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
    • D、SELECT AVG(gpa) FROM student_grades WHERE semester _ end BETWEEN '01-JAN-2000' and '31-DEC-2000';
    • E、SELECT SUM(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
    • F、SELECT MEDIAN(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';

    正确答案:D

  • 第14题：

    The STUDENT_GRADES table has these columns STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds students who have a grade point average (GPA) greater than 3.0 for the calendar year 2001?（）

    • A、SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' OR gpa > 3.;
    • B、SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa gt 3.0;
    • C、SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa > 3.0;
    • D、SELECT student_id, gpa FROM student_grades WHERE semester_end > '01-JAN-2001' OR semester_end < '31-DEC-2001' AND gpa >=s 3.0;

    正确答案:C

  • 第15题：

    You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? （）(Choose three.)

    • A、Even with resumable space allocation enabled for your database, you can disable resumable space allocation for a single session.
    • B、A resumable statement is suspended only if an out of space error occurs.
    • C、When a resumable statement is suspended, the transaction that contains the statement is also suspended.
    • D、A resumable statement can only be suspended and resumed once during the execution of the statement.
    • E、You can query the V$SESSION_WAIT dynamic performance view to identify the statements that are suspended for a session

    正确答案:A,C,E

  • 第16题：

    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）

    • A、SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL;
    • B、SELECT (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;
    • C、SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL GROUP BY semester_end;
    • D、SELECT MAX (gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student _ grades;
    • E、SELECT MAX (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;

    正确答案:C

  • 第17题：

    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The register has requested a report listing the students' grade point averages (GPA), sorted from highest grade point average to lowest within each semester, starting from the earliest date. Which statement accomplishes this?（）

    • A、SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end DESC, gpa DESC;
    • B、SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, ASC,gpa ASC;
    • C、SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, gpa DESC;
    • D、SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC,semester_end DESC;
    • E、SELECT student_id, semester_end, gpa FROM student_grades

    正确答案:C

  • 第18题：

    You use a Windows 2000 Professional computer to run a weekly report. When the report is running on the computer, another task stops responding and eventually times out. When you run only the other task, the task completes successfully. You use Task Manager to view your system resources. In the weekly report, the processor time counter reads a high value. You want to resolve the problem by using Task Manager. What should you do?（）

    • A、Upgrade the RAM of this computer.
    • B、Add another hard disk to the computer and execute the report application from that hard drive.
    • C、Split the paging file across two physical disks.
    • D、Decrease the base priority of the weekly report task.

    正确答案:D

  • 第19题：

    单选题
    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The registrar requested a report listing the students' grade point averages (GPA) sorted from highest grade point average to lowest. Which statement produces a report that displays the student ID and GPA in the sorted order requested by the registrar? （）
    A

    SELECT student_id, gpa FROM student_grades ORDER BY gpa ASC;

    B

    SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa ASC;

    C

    SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa;

    D

    SELECT student_id, gpa FROM student_grades ORDER BY gpa;

    E

    SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa DESC;

    F

    SELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）
    A

    SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;

    B

    SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;

    C

    SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY semester_end;

    D

    SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student_grades;

    E

    SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）
    A

    SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL;

    B

    SELECT (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;

    C

    SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL GROUP BY semester_end;

    D

    SELECT MAX (gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student _ grades;

    E

    SELECT MAX (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;


    正确答案： C
    解析： 暂无解析

  • 第22题：

    多选题
    From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for （）.
    A

    Updating

    B

    Viewing

    C

    Deleting

    D

    Inserting

    E

    Truncating


    正确答案： C,D
    解析： 暂无解析

  • 第23题：

    单选题
    You use a Windows 2000 Professional computer to run a weekly report. When the report is running on the computer, another task stops responding and eventually times out. When you run only the other task, the task completes successfully. You use Task Manager to view your system resources. In the weekly report, the processor time counter reads a high value. You want to resolve the problem by using Task Manager. What should you do?（）
    A

    Upgrade the RAM of this computer.

    B

    Add another hard disk to the computer and execute the report application from that hard drive.

    C

    Split the paging file across two physical disks.

    D

    Decrease the base priority of the weekly report task.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > &&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）
    A

    An error is returned.

    B

    You are prompted to enter a new value.

    C

    A report is produced that matches the first report produced.

    D

    You are asked whether you want a new value or if you want to run the report based on the previous value.


    正确答案： B
    解析： 暂无解析

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