Why are testing and evaluation of the database and applications not done by the same people who are responsible for design and implementation?  2022 latest answers

What minimum standards must be met during testing and evaluation?

 Identify some bottlenecks in DBMS performance, and then propose some solutions used in DBMS performance tuning.

 What are typical activities in the maintenance of the DBMS and its utilities and applications?

 Would you consider application performance tuning to be part of the maintenance activities? Explain your answer.