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Managing high-demand concurrent requests in web-based systems such as a university management system's course selection module is crucial to database management, especially in centralized databases where multiple users(students) may select and modify data concurrently. In a centralized database system, concurrency control mechanisms are implemented to ensure that transactions are executed orderly and controlled, preventing issues such as lost updates, uncommitted data, and inconsistent reads. Concurrency control systems in centralized databases play a crucial role in managing data consistency and ensuring that transactions are executed correctly in a multi-user environment. In this paper, we will introduce the course reservation module of the university management system and solutions for managing high concurrent access to the centralized web-based database system. Course reservations is an end-to-end booking, distribution, and fulfillment solution for managing students’ personalized curriculum plans, including course selection, classroom seat reservations, pricing, and payment services. Pricing allows us to build and deliver the total tuition fee for various course rates based on local university rules and government taxes.
