单选题During the drastic changes, what is the more serious challenge poor leadership must face?A Employees feel reluctant to accept the changes.B Employees show indifference to the changes.C Employees despair of the competence of leaders.D Employees look dow

persuade employees who oppose the change.

avoid two-way communication.

learn of quick responses of employees.

explain the changes in detail.

Many employees don’t like a conservative dress code.

Comfortable clothes make employees more productive.

A casual clothes code is welcomed by young employees.

All the employers in the U. S. are for casual office wear.

DELETE employees;

DESCRIBE employees;

ROLLBACK TO SAVEPOINT C;

GRANT SELECT ON employees TO SCOTT;

ALTER TABLE employees SET UNUSED COLUMN sal;

SELECT MAX(sal) FROM employees WHERE department_id = 20;

The data in the segment will be compacted but the high water mark will not be adjusted 

The EMPLOYEES table will be changed to read-only mode during the shrink operation 

The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over

The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation 

Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation

hiring employees with special talent

encouraging employees to co-operate

helping employees work independently

training employees in their special fields

saving employees’ money

making employees more attractive

improving employees’ motivation

making employees happier

On average, less-productive employees spend no fewer hours per day at their workstations than do their more-productive peers.

Unpleasant surroundings give employees less motivation to work hard than more pleasant surroundings do.

The more-productive employees are generally rewarded with pleasant office space.

More-productive employees do not work any more hours than their less-productive peers.

Peer pressure discourages employees in crowded, unpleasant surroundings from making phone calls to their own family members during work time.

Grant the new employees the Allow Full control permission.

Grant the new employees the Allow Access Dial-in permission.

Add the new employees to the Remote Desktop Users security group.

Add the new employees to the Windows Authorization Access security group.

SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department _ id);

SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);

SELECT distinct department_id FROM employees Where salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);

SELECT department_id FROM employees WHERE SALARY > ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);

SELECT last_name FROM employees Where salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);

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

offering some employees more and the other less.

relating the customers to the employees’ benefits.

varying benefits according to different employees.

dividing employees into different groups.

DELETE employees;

DESCRIBE employees;

ROLLBACK TO SAVE POINT C;

GRANT SELECT ON employees TO SCOTH

ALTER TABLE employees SET UNUSED COLUMN sal;

Select MAX(sal) FROM employees WHERE department _ id 20;

The EMPLOYEES table will be changed to read-only mode during the shrink operation.

The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.

The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.

Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.

treat employees as customers.

stress the benefits of the changes.

talk employees into accepting the changes.

act quickly according to the reactions of employees.

Require employees to access e-mail only over connections that use SSL

Place Exchange mailbox stores on NTFS volumes. Use Encrypting File System （EFS） to encrypt the stores

Use the internal certification authority （CA） to issue certificates to all employees. Require employees to digitally sign outbound e-mail

Use the internal certification authority （CA） to issue certificates to all employees and vendors. Instruct employees and vendors to use secure MIME to encrypt all e-mail sent between them