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

题目

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;


相似考题
更多“Click the Exhibit button to examine the data of the EMPLOYEES table.Which statement lists ”相关问题
  • 第1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2题:

    Examine the structure if the EMPLOYEES and NEW EMPLOYEES tables:Which MERGE statement is valid?()

    A.

    B.

    C.

    D.


    参考答案:A

  • 第3题:

    Examine the data from the ORDERS and CUSTOMERS table.Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin places his orders?()

    A.

    B.

    C.

    D.


    参考答案:B

  • 第4题:

    Click the Exhibit button to examine the structures of the EMPLOYEES, DEPARTMENTS, and TAX tables.For which situation would you use a nonequijoin query?()

    A.to find the tax percentage for each of the employees

    B.to list the name, job_id, and manager name for all the employees

    C.to find the name, salary, and the department name of employees who are not working with Smith

    D.to find the number of employees working for the Administrative department and earning less than 4000

    E.to display name, salary, manager ID, and department name of all the employees, even if the employees do not have a department ID assigned


    参考答案:A

  • 第5题:

    Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()

    A.The SELECT statement is syntactically accurate.

    B.The SELECT statement does not work because there is no HAVING clause.

    C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.

    D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.


    参考答案:A

  • 第6题:

    Click the Exhibit button.In the exhibit, which statement is correct? ()

    A. Three physical interfaces are redundant.

    B. You must define an additional Redundancy Group.

    C. node 0 will immediately become primary in the cluster.

    D. You must issue an operational command and reboot the system for the above configuration to take effect.


    参考答案:D

  • 第7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

  • 第8题:

    Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables.Evaluate the SQL statement:SELECT *FROM ordersWHERE cust_id = (SELECT cust_idFROM customersWHERE cust_name = ‘Smith‘);What is the result when the query is executed?()

    A.A

    B.B

    C.C

    D.D

    E.E


    参考答案:A

  • 第9题:

    To examine the Exhibit, press the Exhibit button. Which of the following addresses will be reachable without adding any routes?()

    • A、129.35.54.21
    • B、129.35.57.21
    • C、129.35.58.21
    • D、129.35.55.21

    正确答案:B

  • 第10题:

    单选题
    Examine the exhibit to view the parameters set in your parameter file. (Click the Exhibit(s) button.) You restart the instance. To what value will the MEMORY_MAX_TARGET parameter be set by default?()
    A

    120M

    B

    320M

    C

    480M

    D

    600M


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    EXHIBIT, Emp Table Exhibit A Exhibit B Examine the data from the EMP table. Evaluate this SQL statement: SELECT * FROM emp WHERE emp _ id = 3); WHERE commission = (SELECT commission FROM emp What is the result when the query is executed?()
    A

    Exhibit A

    B

    Exhibit B 

    C

    The query returns no rows 

    D

    The query fails because the outer query is retrieving more than one column

    E

    The query fails because both the inner and outer queries are retrieving data from the same table.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Click the Exhibit button. In the exhibit, which statement is correct? ()
    A

    Three physical interfaces are redundant.

    B

    You must define an additional Redundancy Group.

    C

    node 0 will immediately become primary in the cluster.

    D

    You must issue an operational command and reboot the system for the above configuration to take effect.


    正确答案: B
    解析: 暂无解析

  • 第13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14题:

    Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:Which UPDATE statement is valid?()

    A.

    B.

    C.

    D.


    参考答案:A

  • 第15题:

    Click the Exhibit button and examine the data in the EMPLOYEES table.Which three subqueries work? ()

    A.SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department_id);

    B.SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department_id);

    C.SELECT distinct department_id FROM employees WHERE salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department_id);

    D.SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY department_id);

    E.SELECT last_name FROM employees WHERE salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department_id);

    F.SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY AVG(SALARY));


    参考答案:C, D, E

  • 第16题:

    Click the Exhibit button and examine the data from the EMP table.The COMMISSION column shows the monthly commission earned by the employee.Which two tasks would require subqueries or joins in order to be performed in a single step? ()

    A.listing the employees who earn the same amount of commission as employee 3

    B.finding the total commission earned by the employees in department 10

    C.finding the number of employees who earn a commission that is higher than the average commission of the company

    D.listing the departments whose average commission is more than 600

    E.listing the employees who do not earn commission and who are working for department 20 in descending order of the employee ID

    F.listing the employees whose annual commission is more than 6000


    参考答案:A, C

  • 第17题:

    Click the Exhibit button.host_a is in subnet_a and host_b is in subnet_b.Given the configuration shown in the exhibit, which statement is true about traffic from host_a to host_b?()

    A. DNS traffic is denied.

    B. Telnet traffic is denied.

    C. SMTP traffic is denied.

    D. Ping traffic is permitted.


    参考答案:B, D

  • 第18题:

    Click the Exhibit button.In the exhibit, what is the priority for Router B in VRRP group 100?()

    A.1

    B.100

    C.110

    D.255


    参考答案:B

  • 第19题:

    Click the Exhibit button and examine the data in the EMPLOYEES table.On the EMPLOYEES table, EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID. The JOB_ID column is a NOT NULL column.Evaluate this DELETE statement:DELETE employee_id, salary, job_idFROM employeesWHERE dept_id = 90;Why does the DELETE statement fail when you execute it?()

    A.There is no row with dept_id 90 in the EMPLOYEES table.

    B.You cannot delete the JOB_ID column because it is a NOT NULL column.

    C.You cannot specify column names in the DELETE clause of the DELETE statement.

    D.You cannot delete the EMPLOYEE_ID column because it is the primary key of the table.


    参考答案:C

  • 第20题:

    To examine the Exhibit, press the Exhibit button. Which of the following addresses should be reachable without adding any routes?()

    • A、129.35.57.22
    • B、129.35.54.22
    • C、129.35.58.22
    • D、129.35.254.22

    正确答案:A

  • 第21题:

    Click the Exhibit button and examine the data in the EMPLOYEES table. Which three subqueries work?()

    • A、SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department_id);
    • B、SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department_id);
    • C、SELECT distinct department_id FROM employees WHERE salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department_id);
    • D、SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY department_id);
    • E、SELECT last_name FROM employees WHERE salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department_id);
    • F、SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY AVG(SALARY));

    正确答案:C,D,E

  • 第22题:

    单选题
    Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use?()
    A

    SELECT last_name, department_name FROM employees NATURAL JOIN departments;

    B

    SELECT last_name, department_name FROM employees JOIN departments ;

    C

    SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id);

    D

    SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);

    E

    SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id);

    F

    SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Exhibit: Examine the data in the EMPLOYEES table. Examine the subquery: SELECT last_name FROM employees WHERE salary IN (SELECT MAX(salary) FROM employees GROUP BY department_id); Which statement is true?()
    A

    The SELECT statement is syntactically accurate.

    B

    The SELECT statement does not work because there is no HAVING clause.

    C

    The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.

    D

    The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.


    正确答案: C
    解析: 暂无解析