【单选题】听力原文:How many employees do you have? (A) I have nine employees. (B) My employees work very hard. (C) Because we pay well. (35)
【单选题】要进入以太端口配置模式,下列路由器中命令中( )是正确的。
A.
R1(config)# inetrface e0
【判断题】只要加强对电气设备的日常维护和保养,就可以杜绝电气事故的发生。
【单选题】编制人工定额时,应计人定额时间的是( )。
【单选题】Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables: EMPLOYEES EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2 (25) LAST_NAME VARCHAR2 (25) HIRE_DATE DATE NEW EMPLOYEES EMPLOYEE_ID NUMB...
A.
DELETE FROM employees WHERE employee_id = (SELECT employee_id FROM employees);
B.
DELETE * FROM employees WHERE employee_id = (SELECT employee_id FROM new_ employees);
C.
DELETE FROM employees WHERE employee_id IN (SELECT employee_id FROM new_employees WHERE name = ('Carrey')'
D.
DELETE * FROM employees WHERE employee_id IN (SELECT employee_id FROM new_employees WHERE last_ name = ('Carrey')'
【单选题】What recruitment method involves seeking new employees through consultation with existing employees?
D.
referral from employees
【简答题】Supervising employees by remote control requires more skills than when employees are within physical reach.
【单选题】Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables: EMPLOYEES EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE NEW_EMPLOYEES EMPLOYEE_ID NUMBER...
A.
DELETE FROM employees WHERE employee_id = (SELECT employee_id FROM employees);
B.
DELETE * FROM employees WHERE employee_id = (SELECT employee_id FROM new_ employees);
C.
DELETE FROM employees WHERE employee_id IN (SELECT employee_id FROM new_employees WHERE name = 'carrey');
D.
DELETE * FROM employees WHERE employee_id IN (SELECT employee_id FROM new_employees WHERE name = 'carrey');