Database Server: Components, Application and Future Trends

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Introduction
Database server is the term which defines the back-end database system in a
traditional client-server architecture. The main tasks of this database server are analysis of
the data, manipulation and storing the data in a proper way. Apart from that the retrieve of
the important information and data can be achieved through the use of the database server.
The database server can be regarded as a computer in LAN which is dedicated to the
database storage or external database. On the basis of the requests from clients, the
database server searches on selected records and sends the information to the client
system (Holt et al.,2015). A database software helps to run the database server in a proper
way. This type of server is beneficial for the organization where large amount of data and
information are needed to be managed and processed in a daily basis.
In some cases, file servers are used instead of database server. However, for the
organizations where the client needs frequent processing of data the database server is
suitable option. The requests are presented through the SQL commands. Network Database
Server processes the database and execute the query.
Major Components of database server
The components of database server are-
 Hardware
 Software
Hardware: Hardware associated with the functioning of the server are computer, I/O
channels for transaction of the data and information and other physical devices. The
processor, in this case, is the main component that controls all the functioning of the system
(Dar & Iqra, 2016). Apart from that both primary and secondary memory of the system plays
an important role in storing the data in a proper way (Jiang, 2016). Apart from that network
connection is also important for maintaining the flow of the information from one system to
another.
Software: Software are the basic software those are essentials for running the system.
Apart from that the main software package for running the database server is the database
management software. One of popular database management software is SQL. There are
several components of the SQL server. These components are-
 Tables: Tables are used for storing data in database. Each table has unique name in
the database. The main application of the table is to represent the data stored within

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it. As for example, it can be said that a table named “employee” many hold the
information regarding the employees of the organization.
 Indexes: Index is used to make the retrieval of data in a faster way. Index allow the
data base to direct access the components without scanning the entire database.
Generally, index holds a key that is directly related to column in the table. As for
example, an index named “FirstName” will help the user to look up the information of
the employees using their firstname.
 Views: The relationship between the tables in SQL database can become
complicated as the information are stored in different table. In order to solve the
problem the database administrator has built a pre-built query (Chu et al., 2016).
Through this, the developers and the users of the system can develop their own
query. This also helps in hiding some of the complexity of the database.
 Stored Procedures: In some cases, the queries are not enough to solve the problem.
In these situations, the developers depends on the process logic or programming
language in order to perform conditional comparisons. These procedures are stored
in the database as stored procedures. Stored procedures are vendor specified. As for
example, for Microsoft SQL server, T/SQL language is used (Sai et al., 2016). On the
other hand Oracle uses PL/SQL. In both cases, the same functionalities are served
and can build the functions in order to solve the complicated situations.
 Triggers: In case, if the important events such as inserting or updating the table occur
trigger is used. Trigger is special instructions when some important event is going to
occur on table.
Application of the database server and SQL database
One of the major component of the database server is database management
software. There are various database management software available in industry like MySql,
Mircosoft SQL server. However, one of the popular database management software is SQL
(Brundha, Lakshmi & Santhanalakshmi, 2017). There are some of the components in SQL
those are necessary for the proper execution of the queries and proper handling of the
database (Park et al., 2016). These include trigger, use of stored procedures and index.
Different database management servers provide same functionality, however, the process of
handling the database may be different.
The application of the SQL server adds reliability in the system. The in the traditional
file management system, if the single component failed within the shared process, the files
would be unavailable for the sources related to that system (Islam et al.,2017). This will