May 2022 Summaries

Backend testing validates the server-side and database components of software applications, ensuring reliable communication among services, accurate data storage, and stable integration with the frontend. It encompasses structural testing of schemas, tables, columns, procedures, and triggers; functional testing of database behavior and transactions; and non-functional testing such as performance, load, stress, security, usability, and compatibility testing. Testers typically use SQL queries, API requests, logs, and direct database connections to verify responses and diagnose issues including data loss, corruption, deadlocks, vulnerabilities, and slow performance. While frontend testing focuses on the graphical interface, backend testing concentrates on the application and database layers, though both are needed for complete quality assurance. Automation tools such as Postman, SoapUI, JMeter, Testim, and others can make backend testing more efficient, and testing email infrastructure is also important for validating transactional-email delivery, formatting, spam performance, and safe staging processes.