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 ...

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

DTSA 5735 Advanced Topics and Future Trends in Database Technologies Specialization: Databases for Data Scientists Instructor: Wu,Di; Paradise,Alan Prior knowledge needed: None View on Coursera ...

Lock contention issues can be frustrating problems to investigate and debug. But anytime a database system is involved, the potential exists for locking to cause concurrency problems. Before blaming ...

Now-a-days, distributed databases have taken concentration in the database research. Data distribution and replication offer opportunities for improving performance through parallel query execution ...

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 ...