DBA

السلام عليكم ورحمة الله وبركاته

عندي سؤالين واريد اجوبتهم ..الله يخليكم لا تردوني :(



1)
Identify the basic tasks performed by the DBA? Assume that the DBA is not interested in running his or her own queries. Is it still necessary for the DBA to understand query optimization? Why?

2)
Muntaha Infotech is a private limited company dealing with the development and sales of software products. Suppose you are working as a database administrator in Muntaha Infotech. You are given a responsibility for planning the database and to implement various applications in a same production database system of the company.
Evaluate the best strategy which ensures conflict-free database storage of multiple applications in same database system.


plzzzzzzzzzzzzzzzzzzz help me