A Database Testing is a software testing type that checks the schema, tables, triggers, etc. of the database that is under test. It validates the existence, correctness and completeness of the data table. It may also involve creating complex queries to load/stress test the Database and check its responsiveness. It also checks the data integrity and consistency. The DB testing is a back-end testing whereas GUI testing is the front-end testing . GUI Testing is a software testing type that checks the Graphical User Interface (GUI) of the software, before the UI or Application is made public to use. The purpose of GUI testing is to ensure the functionalities of software applications whether or not it is working as per specifications by checking screens, controls like menu buttons, icons, application response, etc. Types of DB testing are: - 1. Structural Testing . 2. Functional Testing . 3. ...