COMPUTER NETWORKING

Detailed explanation-1: -Database servers are used to store and manage databases that are stored on the server and to provide data access for authorized users. This type of server keeps the data in a central location that can be regularly backed up. It also allows users and applications to centrally access the data across the network.

Detailed explanation-2: -There are two ways to access stored data: random access and sequential access. The sequential method requires information to be moved within the disk using a seek operation until the data is located. Each segment of data has to be read one after another until the requested data is found.

Detailed explanation-3: -A database server is a type of hardware that runs database software. Database software helps users or companies store, manage, retrieve, update or change files, information logs and other forms of digital data. The two primary components of database servers are back-end functions and client-facing services.

Detailed explanation-4: -SQL Server databases are stored in the file system in files. Files can be grouped into filegroups. For more information about files and filegroups, see Database Files and Filegroups. When people gain access to an instance of SQL Server they are identified as a login.