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【单项选择题】

Which correctly describes the tiers of the Oracle Workflow architecture?（）

A、A. Oracle Database tier and Application server tier only

B、B. Oracle Database tier, Application server tier, and End-user client tier only

C、C. Oracle Database tier, Application server tier, and Development client tier only

D、D. Oracle Database tier, Application server tier, Development client tier, and End-user client tier

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第1题
[单选题] HQL语句：String hql ="from Dept as model order by model.deptName，model.createDate desc"；所表达的意思为（）。

A、查询部门，按照deptName的desc排序  B、查询部门，按照createDate的desc排序  C、查询部门，先按照deptName的desc排序，再按照createDate的desc排序  D、查询部门，deptName和createDate的desc排序没有先后之分  

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第2题
[单选题] 下列关于在SQL语句中使用DESC的说法中，正确的是（）

A、DESC关键字必须与ORDER BY关键字一起使用  B、DESC关键字必须与GROUP BY关键字一起使用  C、DESC关键字必须与WHERE BY关键字一起使用  D、DESC关键字必须与INNER JOIN关键字一起使用  

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第3题
[] 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?（） 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、A. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end DESC, gpa DESC;  B、B. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end ASC, gpa ASC;  C、C. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY semester_end, gpa DESC;  D、D. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC, semester_end DESC;  E、E. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC, semester_end ASC;  

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第4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  

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第5题
[单选题] 在一个Web应用部署描述器中，描述一个参数的子元素的名字是什么？（）

A、desc  B、usage  C、description  D、param-desc  

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第6题
[单选题] 按照姓名升序排列（）。

A、ORDER BY DESC NAME  B、ORDER BY NAME DESC  C、ORDER BY ASC NAME  D、ORDER BY NAME ASC  

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第7题
[单选题] BookStore数据库中有销售明细表OrderDetail（OrderCode，BookCode，Amount）查询销售总量前20%的图书，并按总销量降序排列。SQL语句：SELECT TOP 20 PERCENT Bookcode As书号，SUM（Amount）As总销量ROMOrderDetail GROUP BY Book code ORDER BY（）

A、AmountDESC  B、SUM（Amount）DESC  C、COUNT（Amount）DESC  D、ADD（Amount）DESC  

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第8题
[单选题] An administrator is adding memory to a server. Once the system boots up, the same amount of memory appears as before the upgrade. Which of the following is the MOST likely cause?（）

A、The memory is not the correct CAS latency.  B、The memory is not installed in the correct slot.  C、The memory does not have the correct timing.  D、The memory is not the correct speed.  

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第9题
[] Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（） Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（）

A、A.double getSalesAmount() { return 1230.45; }  B、B.public double getSalesAmount() { return 1230.45; }  C、C.private double getSalesAmount() { return 1230.45; }  D、D.protected double getSalesAmount() { return 1230.45; }  

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第10题
[] Given the following query:SELECT last_name, first_name, age, hire_date FROM employee WHERE age > 40Which of the following clauses must be added to return the rows sorted by AGE, oldest first, and by LAST_NAME, from A to Z?（）

A、A.SORT BY age ASC, last_name  B、B.SORT BY age DESC, last_name  C、C.ORDER BY age DESC, last_name  D、D.ORDER BY age ASC, last_name  

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