Demeter Database

DemeterDB is a local relational database system which provides the basic functionalities similar to a modern relational database system (MySQL, Microsoft SQL Server, etc.).、
Developed the database system from scratch, with LRU cached buffer manager, record manager and B+ tree file organization.
Built a Flex-Bison SQL compiler and a RA optimizer to support SQL Semantic check and generate optimal executable plans.
Implemented a two-phase multi-way merge sort over records as the primary sorting algorithm in the database system.