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 stat

题目

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';
相似考题

1.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;

2.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;

3.The STUDENT_GRADES table has these columns: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.B.C.D.E.F.

4.Which statement explicitly names a constraint? ()A. ALTER TABLE student_grades ADD FOREIGN KEY (student_id) REFERENCES students (student_id);B. ALTER TABLE student_grades ADD CONSTRAINT NAME = student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);C. ALTER TABLE student_grades ADD CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);D. ALTER TABLE student grades ADD NAMED CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);E. ALTER TABLE student grades ADD NAME student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);

更多“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 state”相关问题

  • 第1题：

    Examine the structure of the STUDENTS table: STUDENT_ID NUMBER NOT NULL, Primary Key STUDENT_NAME VARCHAR2(30) COURSE_ID VARCHAR2(10) NOT NULL MARKS NUMBER START_DATE DATE FINISH_DATE DATE You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999. Which SQL statement accomplishes this task?（）

    • A、SELECT student_ id, marks, ROWNUM "Rank" FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC;
    • B、SELECT student_id, marks, ROWID "Rank" FROM students WHERE ROWID <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks;
    • C、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC);
    • D、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students ORDER BY marks DESC) WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course _ id ='INT _ SQL';

    正确答案:D

  • 第2题：

    You work as a database administrator for Certkiller .com. In your transaction application， you have scheduled a job to update the optimizer statistics at05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）

    • A、Average row size
    • B、Last analyzed date
    • C、Size of table in bytes
    • D、Size of table in database blocks
    • E、Number of free blocks in the free list
    • F、Number of extents present in the table.

    正确答案:A,B,D

  • 第3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4题：

    Which statement explicitly names a constraint?（）

    • A、ALTER TABLE student_grades   ADD   FOREIGN KEY (student_id) REFERENCES students(student_id);
    • B、ALTER TABLE student_grades   ADD CONSTRAINT NAME = student_id_fk   FOREIGN KEY (student_id) REFERENCES students(student_id);
    • C、ALTER TABLE student_grades   ADD CONSTRAINT student_id_fk   FOREIGN KEY (student_id) REFERENCES students(student_id);
    • D、ALTER TABLE student grades   ADD NAMED CONSTRAINT student_id_fk   FOREIGN KEY (student_id) REFERENCES students(student_id);
    • E、ALTER TABLE student grades   ADD NAME student_id_fk   FOREIGN KEY (student_id) REFERENCES students(student_id);

    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) 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6题：

    The EMPLOYEES table has these columns: LAST_NAME VARCHAR2(35) SALARY NUMBER(8,2) HIRE_DATE DATE Management wants to add a default value to the SALARY column. You plan to alter the table by using this SQL statement: ALTER TABLE EMPLOYEES MODIFY (SALARY DEFAULT 5000); Which is true about your ALTER statement?（）

    • A、Column definitions cannot be altered to add DEFAULT values.
    • B、A change to the DEFAULT value affects only subsequent insertions to the table.
    • C、Column definitions cannot be altered to add DEFAULT values for columns with a NUMBER data type.
    • D、All the rows that have a NULL value for the SALARY column will be updated with the value 5000.

    正确答案:B

  • 第7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8题：

    单选题
    Which of the following statements is true about Japan?
    A

    It has a very short life-expectancy on average.

    B

    It has the lowest infant mortality rate in the world.

    C

    Young people want to have more children.

    D

    The number of young people fit for work is decreasing.


    正确答案： D
    解析：
    从录音中提到的“a diminishing workforce paying for a rising number of pensioners”，可知日本的劳动力变得越来越少。diminishing逐渐减少的；衰减的。pensioner领养老金者；领取抚恤金者。
    【录音原文】
    Japan has the highest life-expectancy in the world, one of the lowest birth rates and accepts few immigrants, leaving a diminishing workforce paying for a rising number of pensioners.

  • 第9题：

    单选题
    We may conclude from the passage that ______.
    A

    universities’ grants has risen less than 13%

    B

    universities are facing serious pension deficits

    C

    universities in the UK are predicting an average surplus of 1. 6% for the end of the financial year, so no need to worry for the moment

    D

    many universities have cut the number of research projects


    正确答案： C
    解析：
    题目问的是：我们可以从文中得出什么？倒数第13段提到“The report also noted that staffing costs, following the 13％three-year pay deal agreed in 2006, had risen at a faster rate than universities’ grants.”说明人事费增长13％，比大学津贴涨幅快，也就是说大学津贴涨幅少于13％。故选A。

  • 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： B
    解析： 暂无解析

  • 第11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12题：

    Management has asked you to calculate the value 12*salary* commission_pct for all the employees in the EMP table. The EMP table contains these columns: LAST NAME VARCNAR2(35) NOT NULL SALARY NUMBER(9,2) NOT NULL COMMISION_PCT NUMBER(4,2) Which statement ensures that a value is displayed in the calculated columns for all employees?（）

    • A、SELECT last_name, 12*salary* commission_pct FROM emp;
    • B、SELECT last_name, 12*salary* (commission_pct,0) FROM emp;
    • C、SELECT last_name, 12*salary*(nvl(commission_pct,0)) FROM emp;
    • D、SELECT last_name, 12*salary*(decode(commission_pct,0)) FROM emp;

    正确答案:C

  • 第13题：

    You need to design a student registration database that contains several tables storing academic information. The STUDENTS table stores information about a student. The STUDENT_GRADES table stores information about the student's grades. Both of the tables have a column named STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key. You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?（）

    • A、CREATE TABLE student_grades (student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk REFERENCES (student_id) FOREIGN KEY student (student_id));
    • B、CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id));
    • C、CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT FOREIGN KEY (student_id) REFERENCES student (student_id));
    • D、CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id));

    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：

    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16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17题：

    In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）

    • A、average row size
    • B、last analyzed date
    • C、size of table in bytes
    • D、size of table in database blocks
    • E、number of free blocks in the free list
    • F、number of extents present in the table

    正确答案:A,B,D

  • 第18题：

    单选题
    The number of international students at our university ______ steadily, but a number of universities in the state ______ international student enrollment decline.
    A

    has grown； has seen

    B

    have grown；has seen

    C

    have grown；have seen

    D

    has grown；have seen


    正确答案： A
    解析：
    句意：我们大学的留学生人数一直稳定增长，但我们州有一些大学留学生入学人数却减少了。the number of  …的数量，做主语时其后的谓语动词应为单数。a number of  一些，做主语时其后的谓语动词应为复数。

  • 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 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20题：

    单选题
    View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries？  （）
    A

     displaying the total order value for sales representatives 161 and 163

    B

     displaying the order total for sales representative 161 in the year 1999

    C

     displaying the number of orders that have order mode online and order date in 1999

    D

     displaying the number of orders whose order total is more than the average order total for all online orders


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Examine the structure of the STUDENTS table: STUDENT_ID NUMBER NOT NULL, Primary Key STUDENT_NAME VARCHAR2(30) COURSE_ID VARCHAR2(10) NOT NULL MARKS NUMBER START_DATE DATE FINISH_DATE DATE You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999. Which SQL statement accomplishes this task? （）
    A

    SELECT student_ id, marks, ROWNUM Rank FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99 AND course_id = 'INT_SQL' ORDER BY mark DESC;

    B

    SELECT student_id, marks, ROWID Rank FROM students WHERE ROWID <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY mark;

    C

    SELECT student_id, marks, ROWNUM Rank FROM (SELECT student_id, marks FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC- 99' AND course_id = 'INT_SQL' ORDER BY mark DESC;

    D

    SELECT student_id, marks, ROWNUM Rank FROM (SELECT student_id, marks FROM students WHERE (finish_date BETWEEN '01-JAN-99 AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC) WHERE ROWNUM <= 10;

    E

    SELECT student id, marks, ROWNUM Rank FROM (SELECT student_id, marks FROM students ORDER BY marks) WHERE ROWNUM <= 10 AND finish date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course _ id 'INT_SQL';


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    Examine the description of the STUDENTS table: STD_ID NUMBER(4) COURSE_ID VARCHARD2(10) START_DATE DATE END_DATE DATE Which two aggregate functions are valid on the START_DATE column?（）
    A

    SUM(start_date)

    B

    AVG(start_date)

    C

    COUNT(start_date)

    D

    AVG(start_date, end_date)

    E

    MIN(start_date)

    F

    MAXIMUM(start_date)


    正确答案： B,E
    解析： 暂无解析

相关内容