物理层设计的目的是（)A．加强传输原始比特的功能B．确保二进制数字码“1”，“0”的正确传输C．保证分

A. It detects changes in SQL execution plans.

B. It produces results that can be used to create the SQL plan baseline.

C. The importance of SQL statements is based on the size of the objects accessed.

D. It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.

E. It shows only the overall impact on workload and not the net SQL impact on workload.

(b) Ratio analysis in general can be useful in comparing the performance of two companies, but it has its limitations.

Required:

State and briefly explain three factors which can cause accounting ratios to be misleading when used for

such comparison. (6 marks)

Which of the following statements is true, according to the passage？

A．There are three characters in the novel, which is about the life of one.

B．Universal concerns have been represented in a day of three characters.

C．The three characters are compressed into one life of subconsciousness.

D．Three characters in the novel have been described chronologically.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluated when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluated when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluated when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees performance is evaluated when necessary.

C．Trainees starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluated when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluate.d when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.

Which of the following statements about the management trainee scheme is TRUE？

A．Trainees are required to sign contracts initially.

B．Trainees' performance is evaluated when necessary.

C．Trainees' starting salary is 870 pounds.

D．Trainees cannot quit the management scheme.