According to the contract, the salary of the employee _____.

题目
单选题
According to the contract, the salary of the employee _____.
A

is paid weekly

B

is adjusted every quarter

C

is re-examined from year to year

D

is fixed for the whole contract period

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第1题:

阅读以下说明C++代码,将应填入(n)处的字句写在对应栏内。

[说明]

本程序实现了雇员信息管理功能,其中封装了雇员信息及其设置、修改、删除操作。已知当输入为“Smith 31 2960.0”时,程序的输出是:

姓名:Smith 年龄:31 工资:2960

姓名:Smith 年龄:31 工资:3500

姓名:Mary 年龄:23 工资:2500

[C++程序]

include <iostream.h>

include <string.h>

class employee{

char *name; //雇员姓名

short age; //年龄

float salary;//工资

public:

employee();

void set_name(char *);

void set_age(short a) {age=a;}

void set_salary(float s) {salary=s;}

(1);

~ employee(){delete[] name;}

};

employee::employee() { name="";

age=0;

salary=0.0;

void employee::set_name(char *n)

{ name=new char[strlen(n)+1];

(2) (name,n);

}

void employee::print()

{ cout<<"姓名":"<<name<<" 年龄:"<<agc<<" 工资:" <<salary<<endl;

}

void main()

{ char *na;

short ag=0;

float sa=0;

(3);

na=new char[10];

cin>>na>>ag>>sa;

emp.set_name(na);

emp.set_age(ag);

emp.set_salary(sa);

emp.print();

(4) (3500.0);

emp.print();

(5);

emp.set_name("Mary");

emp.set_age(23);

emp.set_salary(2500.0);

emp.print();

}


正确答案:(1) void print() (2) strcpy (3) employee emp (4) emp.set_salary (5)emp.~employee()
(1) void print() (2) strcpy (3) employee emp (4) emp.set_salary (5)emp.~employee() 解析:程序定义了一个employee类,它包含了一个雇员的档案数据,及对这些数据的若干处理函数:构造函数employee创建一个雇员空档案;set_name(),set_age ()和set_salary()分别用来为雇员档案填入姓名、年龄和工资;print()函数的功能是输出该雇员的档案内容;析构函数~employee()的功能是当某雇员档案撤销或改成另一姓名时,释放原数据占用的空。
(1)此处应声明print函数;
(2)此处应调用字符申拷贝函数,以更改name属性的值;
(3)此处显然应声明emp变量;
(4)~(5):由程序的输出可知(4)处重新设置了emp变量salary属性的值,(5)处则应调用析构函数.

第2题:

Examine the data of the EMPLOYEES table.EMPLOYEES (EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)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.

B.

C.

D.

E.


参考答案:C

第3题:

The salary as ()the contract will be transferred monthly to the representative’s account.

A、in

B、at

C、on

D、within


参考答案:A

第4题:

回收用户U1,U2和U3在关系employee的salary属性上的UPDATE限的语句是

A.REVOKE UPDATE(salary) ON employee(U1,U2,U3)

B.REVOKE UPDATE(salary)ON employee FROM U1,U2,U3

C.REVOKE UPDATE ON employee FROM U1,U2,U3

D.REVOKE UPDATE(salary) FROM U1,U2,U3


正确答案:B
解析:回收用户U1,U2和U3在关系employee的salary属性上的UPDATE权限的语句是REVOKEUPDATE(salary)ONemployeeFROMU1,U2,U3。

第5题:

Evaluate the SQL statement:What is the result of the statement?()

A. The statement produces an error at line 1.

B. The statement produces an error at line 3.

C. The statement produces an error at line 6.

D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.

E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.


参考答案:E

第6题:

Examine the data in the EMPLOYEES and EMP_HIST tables:The EMP_HIST table is updated at the end of every year. The employee ID, name, job ID, and salary of each existing employee are modified with the latest data. New employee details are added to the table.Which statement accomplishes this task?()

A.

B.

C.

D.


参考答案:B

第7题:

Examine the data in the EMPLOYEES and EMP_HIST tables:EMPLOYEESNAME DEPT_ID MGR_ID JOB_ID SALARYEMPLOYEE_ID101 Smith 20 120 SA_REP 4000102 Martin 10 105 CLERK 2500103 Chris 20 120 IT_ADMIN 4200104 John 30 108 HR_CLERK 2500105 Diana 30 108 IT_ADMIN 5000106 Smith 40 110 AD_ASST 3000108 Jennifer 30 110 HR_DIR 6500110 Bob 40 EX_DIR 8000120 Ravi 20 110 SA_DIR 6500EMP HISTEMPLOYEE_ID NAME JOB_ID SALARY101 Smith SA_CLERK 2000103 Chris IT_CLERK 2200104 John HR_CLERK 2000106 Smith AD_ASST 3000108 Jennifer HR_MGR 4500The EMP_HIST table is updated at the end of every year. The employee ID, name, job ID, and salary of each existing employee are modified with the latest data. New employee details are added to the table.Which statement accomplishes this task?()

A. UPDATE emp_hist SET employee_id, name, job_id, salary = (SELECT employee_id, name, job_id, salary FROM employees) WHERE employee_id IN (SELECT employee_id FROM employees);

B. MERGE INTO emp_hist eh USING employees e ON (eh.employee_id = e.employee_id) WHEN MATCHED THEN UPDATE SET eh.name = e.name, eh.job_id = e.job_id, eh.salary = e.salary WHEN NOT MATCHED THEN INSERT VALUES (e.employee id, e.name, job id, e.salary);

C. MERGE INTO emp_hist eh USING employees e ON (eh.employee_id = e.employee_id) WHEN MATCHED THEN UPDATE emp hist SET eh.name = e.name, eh.job_id = e.job_id, eh.salary = e.salary WHEN NOT MATCHED THEN INSERT INTO emp_hist VALUES (e.employees_id, e.name, e.job_id, e.salary);

D. MERGE INTO emp_hist eh USING employees e WHEN MATCHED THEN UPDATE emp_hist SET eh.name = e.name, eh.job_id = e.job_id, eh.salary = e.salary WHEN NOT MATCHED THEN INSERT INTO emp_hist VALUES (e.employees_id, e.name, e.job_id, e.salary);


参考答案:B

第8题:

授予用户U1,U2和U3在关系employee的salary属性上的UPDATE权限的语句是【 】UPDATE(salary) ON employee TO U1,U2,U3


正确答案:GRANT
GRANT

第9题:

授予用户U1,U2和U3在关系employee的salary属性上的UPDATE权限的语句是

A.GRANT ON employee TOU1,U2,U3

B.GRANT UPDATE ON employee TO U1,U2,U3

C.GRANT UPDATE(salary) ON employee

D.GRANT UPDATE(salary)ON employee TO U1,U2,U3


正确答案:D
解析:授予用户U1,U2和U3在关系employee的salary属性上的UPDATE权限的语句是GRANT UPDATE(salary) ON employee TO U1,U2,U3。

第10题:

Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement: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;What is its output?()

A.A

B.B

C.C

D.D

E.E


参考答案:A

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