In technical terms, backend refers to all those applications and programs that may reside at server and runs behind the front-end (GUI applications). They are not visible to the users, but can be accessed through front-end applications which works as an interface between backend and users.
What is Backend Testing or Database Testing?
It is all about testing of backend system, applications or programs. This may include database and server side programs or applications. Hence, backend testing is commonly referred to Database testing or server-side testing. It is a type of testing that concerns with the examination of various aspects linked with database. These aspects may include
Tables, Rows and Columns
Keys, Indexes and Triggers
Data flow and many other things
Need of Backend/Database Testing
Whether working online, offline, web-applications or desktop-applications, each and everything is loaded with database. Almost all systems and applications have a database, running at their back-end. In the present era, database has become an essential and core part of software application. This urges the need of safety and security of data, including its integrity, accuracy and validity, with respect to wide variety of data storage and access from multiple sources. Moreover, database testing ensures the quality of database management system and prevention of database, in the event of system's crashing.