With your own word answer questions below
1. Describe the DBA’s managerial role.
2. Explain user requirements gathering as part of the DBA’s end-user support services.
3. Explain conflict and problem resolution as part of the DBA’s enduser support services.
4. The testing and evaluation of a database application cover all aspects of the system—from the simple collection and creation of data to its use and retirement. What is covered by the evaluation process?
5-What is data visualization? Name different techniques of data visualization.
6-What is the difference between decision support data and operational data from the point of view of data analyst?
7-In your word very short and firm (One sentence with limited number of words) define the function of a device called MODEM (Modulator & Demodulator).
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