Complete the following questions with proper citations: At a high-level, discuss the primary job responsibilities of a DBA?

Complete the following questions with proper citations:

1. At a high-level, discuss the primary job responsibilities of a DBA?
2. What is the difference between a data administrator and a database administrator?
3. What is the difference between a version and a release of a DBMS?
4. Name five requirements that must be planned for when installing a new DBMS.