Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel ...

In a database management system (DBMS), concurrency control manages simultaneous access to a database. It prevents two users from editing the same record at the same time and also serializes ...

Multi-Version Concurrency Control (MVCC) is a widely employed concurrency control mechanism, as it allows for execution modes where readers never block writers. However, most systems implement only ...

A comprehensive database optimization framework integrating connection pooling, distributed caching, and multi-layer encryption achieves ...