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;
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;
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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;
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);
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;
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.
设置表格边框色彩的亮度的HTML代码是（）A、th bordercolorlight=# B、table bordercolor=# C、th bordercolor=# D、table bordercolorlight=#
In which situations does the Oracle Data Pump use external tables and not the direct path load whileexporting a table（）A、if a table is not in a clusterB、if a table has an active triggerC、if a table has an encryptedD、if a table has a column of data type LONG defined on itE、if a table has a referential integrity constraint defined on it
Examine the statement: GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION; Which two are true?（）A、MANAGER must be a role.B、It allows the MANAGER to pass the specified privileges on to other users.C、It allows the MANAGER to create tables that refer to the STUDENT_GRADES table.D、It allows the MANAGER to apply all DML statements on the STUDENT_GRADES table.E、It allows the MANAGER the ability to select from, insert into, and update the STUDENT_GRADES table.F、It allows the MANAGER the ability to select from, delete from, and update the STUDENT_GRADES table.
表格语法格式正确的是（）。A、〈table〉〈tr〉〈td〉内容〈/td〉〈/tr〉〈/table〉B、〈table〉〈tr〉内容〈/tr〉〈td〉内容〈/td〉〈/table〉C、〈table〉〈tr〉〈th〉内容〈/th〉〈td〉内容〈/td〉〈/tr〉〈/table〉D、〈table〉〈tr〉〈td〉〈th〉内容〈/th〉〈/td〉〈/tr〉〈/table〉
What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?（）A、It fails with the ORA-665610 Invalid DDL statement on history-tracked messageB、The rows in the table are truncated without being archived.C、The rows in the table are archived, and then truncated.D、The rows in both the table and the archive are truncated.
User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not committed the transaction. What are the two types of locks that this scenario would lead to？（）A、null lock on the row being updatedB、null lock on the table containing the rowC、ROW SHARE lock for the row being updatedD、ROW EXCLUSIVE lock for the row being updatedE、shared row-exclusive lock for the row being updatedF、a shareable table lock for the table containing the rowG、exclusive table-level lock for the table containing the row
多选题User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not committed the transaction. What are the two types of locks that this scenario would lead to？（）Anull lock on the row being updatedBnull lock on the table containing the rowCROW SHARE lock for the row being updatedDROW EXCLUSIVE lock for the row being updatedEshared row-exclusive lock for the row being updatedFa shareable table lock for the table containing the rowGexclusive table-level lock for the table containing the row
单选题You need to give the MANAGER role the ability to select from, insert into, and modify existing rows in the STUDENT_GRADES table. Anyone given this MANAGER role should be able to pass those privileges on to others.Which statement accomplishes this?（）AGRANT select, insert, update ON student_grades TO managerBGRANT select, insert, update ON student_grades TO ROLE managerCGRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;DGRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;EGRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT OPTION;FGRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT OPTION;
单选题Which statement explicitly names a constraint?（）AALTER TABLE student_grades ADD FOREIGN KEY (student_id) REFERENCES students (student_id);BALTER TABLE student_grades ADD CONSTRAINT NAME = student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);CALTER TABLE student_grades ADD CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);DALTER TABLE student grades ADD NAMED CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);EALTER TABLE student grades ADD NAME student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id);
单选题You are configuring the data source for an Oracle database. You will need to specify a test table for WebLogic to test the status of the database. Which option should you choose?（）Aa table name which has 100s of recordsBa table name which has 10s of recordsCa table name which has empty recordsDa table name which has 1000s of recordsEnever use a table name
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?（）ASELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' OR gpa 3.;BSELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa gt 3.0;CSELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa 3.0;DSELECT student_id, gpa FROM student_grades WHERE semester_end '01-JAN-2001' OR semester_end '31-DEC-2001' AND gpa =s 3.0;
多选题In which situations does the Oracle Data Pump use external tables and not the direct path load whileexporting a table（）Aif a table is not in a clusterBif a table has an active triggerCif a table has an encryptedDif a table has a column of data type LONG defined on itEif a table has a referential integrity constraint defined on it
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?（）ASELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end DESC, gpa DESC;BSELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, ASC,gpa ASC;CSELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester _end, gpa DESC;DSELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC,semester_end DESC;ESELECT student_id, semester_end, gpa FROM student_grades
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?（）ASELECT student_id, gpa FROM student_grades ORDER BY gpa ASC;BSELECT student_id, gpa FROM student_grades SORT ORDER BY gpa ASC;CSELECT student_id, gpa FROM student_grades SORT ORDER BY gpa;DSELECT student_id, gpa FROM student_grades ORDER BY gpa;ESELECT student_id, gpa FROM student_grades SORT ORDER BY gpa DESC;FSELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;
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? （）ASELECT AVERAGE(gpa) FROM student_grades WHERE semester _ end '01-JAN-2000' and semester end 31-DEC-2000';BSELECT COUNT(gpa) FROM student grades WHERE semester _ end '01-JAN-2000' and semester end 31-DEC-2000';CSELECT MIN(gpa) FROM student grades WHERE semester _ end '01-JAN-2000' and semester end 31-DEC-2000';DSELECT AVG(gpa) FROM student_grades WHERE semester _ end BETWEEN '01-JAN-2000' and '31-DEC-2000';ESELECT SUM(gpa) FROM student grades WHERE semester _ end '01-JAN-2000' and semester end 31-DEC-2000';FSELECT MEDIAN(gpa) FROM student_grades WHERE semester _ end '01-JAN-2000' and semester end 31-DEC-2000';
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?（）ACREATE 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));BCREATE 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));CCREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT FOREIGN KEY (student_id) REFERENCES student (student_id));DCREATE 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));
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?（）ASELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;BSELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;CSELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY semester_end;DSELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student_grades;ESELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;
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.