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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;
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更多 “ 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;” 相关考题
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单选题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
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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
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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
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SELECT student_id, semester_end, gpa FROM student_grades
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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
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SELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;
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单选题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';
考题
单选题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));
考题
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;
考题
多选题Examine the statement: GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION; Which two are true?()AMANAGER must be a role.BIt allows the MANAGER to pass the specified privileges on to other users.CIt allows the MANAGER to create tables that refer to the STUDENT_GRADES table.DIt allows the MANAGER to apply all DML statements on the STUDENT_GRADES table.EIt allows the MANAGER the ability to select from, insert into, and update the STUDENT_GRADES table.FIt allows the MANAGER the ability to select from, delete from, and update the STUDENT_GRADES table.
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