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 ...

What are the drawbacks to multiversion concurrency control (MVCC)? While MVCC offers many benefits, there are two key drawbacks to multiversion concurrency control: Concurrent update control methods ...

How databases manage and store their data is defined in the internal DBMS layer, also known as the physical layer. This part of the three-layer database architecture concerns itself with how data is ...