Building Database Engines: Advanced Concurrency Control and Query Optimization in Pure C++17

This project demonstrates how to build an enterprise-grade SQL database engine entirely in C++17 without external dependencies, implementing critical features like MVCC for concurrent access and WAL for data durability. Such implementations serve as valuable learning resources for understanding modern database architecture, performance optimization techniques like bitmask-based join optimization, and the fundamental trade-offs between consistency, reliability, and query efficiency.