Installation and the ongoing maintenance of software in a database system are the job of the database __

system administrator

Explanation:

The responsibilities of the database system administrator are as follows:

1. Should be able to identify the needs of the different users and their associated databases and install software as and when required.

2. making sure that the database is functionally efficiently as well as the associated software's.

3. Updation of the software and their maintenance along with the databases.

4. Backing and restoring of the databases in situation of different data loss hazards.

answer; its the top layer;