Reimagining a Web Based Sales Information System Using the Waterfall Approach for Elvrim Store

Abstract

The development of information technology today has a significant impact on the business sector, particularly in managing sales transactions and inventory. Many retail businesses still face challenges due to manual recording methods, which may lead to errors, delays in reporting, and difficulties in monitoring stock availability directly. Elvrim Store is one of the retailers that still relies on manual recording, thus requiring an information system that can enhance its operational efficiency. This study aims to design and develop a web-based sales information system that improves the effectiveness of sales transactions, facilitates data management, and provides accurate, structured, and user-friendly stock information. The method used in this study is the Waterfall approach, which includes requirements analysis, system design, coding, testing, and maintenance. The system was built using PHP with a MySQL database and designed with a simple interface to enable easy operation by the admin without advanced technical skills. The main features developed include a dashboard, item and category management, sales, sales reports, and complete store settings. Blackbox testing results show that all features function according to user expectations. The system is capable of recording transactions in real time, generating sales reports, and facilitating stock monitoring. Therefore, the developed web-based sales information system is proven to improve efficiency, reduce manual recording errors, and support faster, more accurate, and well directed operational decision making at Elvrim Store.