第1题:
A.putPoker.jarindirectory/stuff/java,andsettheCLASSPATHtoinclude/stuff/java
B.putPoker.jarindirectory/stuff/java,andsettheCLASSPATHtoinclude/stuff/java/*.jar
C.putPoker.jarindirectory/stuff/java,andsettheCLASSPATHtoinclude/stuff/java/Poker.jar
D.putPoker.jarindirectory/stuff/java/games/cards,andsettheCLASSPATHtoinclude/stuff/java
第2题:
Which statement is True?
A.The Port State Control Officer has no right to check a SSP
B.The Master has the right to refuse the request from a Port State Control Officer to check the confidential part of the SSP on board
C.The Confidential part of a SSP can never be subject to non-flag State
D.Even the flag State has no right to check the SSP thoroughly
第3题:
What type of constraint is used to ensure that each row inserted into the EMPLOYEE table with a value in the WORKDEPT column has a row with a corresponding value in the DEPTNO column of the DEPARTMENT table?()
A.A check constraint on the EMPLOYEE table
B.A unique constraint on the EMPLOYEE table WORKDEPT column
C.A foreign key reference from the DEPARTMENT tables DEPTNO column to the WORKDEPT column of the EMPLOYEE table
D.A foreign key reference from the EMPLOYEE tables WORKDEPT column to the DEPTNO column of the DEPARTMENT table
第4题:
第5题:
public class AssertStuff { public static void main(String [] args) { int x= 5; int y= 7; assert (x> y): “stuff”; System.out.println(”passed”); } } And these command line invocations:java AssertStuff java -ea AssertStuff What is the result?()
第6题:
A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command: java games.cards.Poker What allows the user to do this?()
第7题:
23.int z=5; 24. 25. public void stuff1(int x) { 26. assert (x> 0); 27. switch(x) { 28. case 2: x= 3; 29. default: assert false; } } 30. 31. private void stuff2(int y) { assert (y < 0); } 32. 33. private void stuff3() { assert (stuff4O); } 34. 35. private boolean stuff4() { z = 6; return false; } Which is true?()
第8题:
A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command:java games.cards. Poker What allows the user to do this?()
第9题:
You create a tabular employee report and are concerned about readability because the employee records are very close together. What is the best way to increase the amount of white space between the records?()
第10题:
第11题:
ALTER TABLE employees monitor index employee_idx_fk;
ALTER INDEX employee_idx_fk monitoring on;
ALTER TABLE employees monitor all indexes;
ALTER INDEX employee_idx_fk monitoring usage;
第12题:
All of the assert statements are used appropriately.
Only the assert statement on line 31 is used appropriately.
The assert statements on lines 29 and 31 are used appropriately.
The assert statements on lines 26 and 29 are used appropriately.
The assert statements on lines 29 and 33 are used appropriately.
The assert statements on lines 29, 31, and 33 are used appropriately.
The assert statements on lines 26, 29, and 31 are used appropriately.
第13题:
Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.You want to retrieve all employees‘ last names, along with their managers‘ last names and their department names. Which query would you use?()
A.SELECT last_name, manager_id, department_name FROM employees e FULL OUTER JOIN departments d ON (e.department_id = d.department_id);
B.SELECT e.last_name, m.last_name, department_name FROM employees e LEFT OUTER JOIN employees m on ( e.manager_id = m.employee_id) LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);
C.SELECT e.last_name, m.last_name, department_name FROM employees e RIGHT OUTER JOIN employees m on ( e.manager_id = m.employee_id) LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);
D.SELECT e.last_name, m.last_name, department_name FROM employees e LEFT OUTER JOIN employees m on ( e.manager_id = m.employee_id) RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);
E.SELECT e.last_name, m.last_name, department_name FROM employees e RIGHT OUTER JOIN employees m on ( e.manager_id = m.employee_id) RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);
F.SELECT last_name, manager_id, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id) ;
第14题:
Medical care reform has become this country's most important public health _____.
(A) question (B) stuff (C) matter (D) issue
选D
医疗卫生改革已经成为这个国家最重要的公共健康问题
public issue习惯性搭配,指公共问题
第15题:
Click the Exhibit button to examine the data of the EMPLOYEES table.Which statement lists the ID, name, and salary of the employee, and the ID and name of the employee‘s manager, for all the employees who have a manager and earn more than 4000?()
A.SELECT employee_id "Emp_id", emp_name "Employee", salary, employee_id "Mgr_id", emp_name "Manager" FROM employees WHERE salary > 4000;
B.SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e JOIN employees m WHERE e.mgr_id = m.mgr_id AND e.salary > 4000;
C.SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id) AND e.salary > 4000;
D.SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.mgr_id "Mgr_id", m.emp_name "Manager" FROM employees e SELF JOIN employees m WHERE e.mgr_id = m.employee_id AND e.salary > 4000;
E.SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.mgr_id "Mgr_id" m.emp_name "Manager" FROM employees e JOIN employees m USING (e.employee_id = m.employee_id) AND e.salary > 4000;
第16题:
第17题:
您在公司的数据库中成功创建了名为SALARY的表。您现在要通过向引用EMPLOYEES表的匹配列的SALARY表添加FOREIGNKEY约束条件来建立EMPLOYEES表与SALARY表之间的父/子关系。尚未向SALARY表添加任何数据。应执行以下哪条语句()
第18题:
What type of constraint is used to ensure that each row inserted into the EMPLOYEE table with a value in the WORKDEPT column has a row with a corresponding value in the DEPTNO column of the DEPARTMENT table?()
第19题:
A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command: java games.cards.Poker What allows the user to do this?()
第20题:
The EMPLOYEES table has six indexes and DML operations are slow. Which command begins monitoring the EMPLOYEE_IDX_FK index to determine whether it has been used by an execution plan?()
第21题:
您已创建一个名为 CalcSalary,将确定 Certkiller.com 员工的薪酬类的责任。CalcSalary 类包括员工的薪酬递增和递减的方法。下面的代码包含在 CalcSalary 类中:()public class CalcSalary {// for promotionspublic static bool IncrementSalary (Employee Emp, double Amount){if (Emp.Status == QuarterlyReview.AboveGoals)Emp.Salary += Amount;return true;
第22题:
第23题:
passed stuff
stuff passed
passed An AssertionError is thrown with the word “stuff” added to the stack trace.
passed An AssertionError is thrown without the word “stuff” added to the stack trace.
passed An AssertionException is thrown with the word “stuff” added to the stack trace.
passed An AssertionException is thrown without the word “stuff” added to the stack trace.
第24题:
In the layout model increase the size of the employee record fields.
In the report wizard increase the display width values of the employee record fields.
In the property palette increase the size of the repeating frame surrounding the employee records.
In the life previewer, high light a field, click on the parent frame icon and make the frame bigger verticall.