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 ...

In this article I’d like to present a discussion on concurrency handling, concurrency violations and the strategies involved to resolve concurrency conflicts. Concurrency violations: when and why do ...

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 ...

NOTE: All material links are not active now! This is an advanced course on database systems which covers crash recovery, concurrency control, transaction processing, distributed database systems as ...