Multiversion Concurrency Control (MVCC) Explained in Simple Terms

What is MVCC? What is Multi Version Concurrency Control? Well, the name sounds intimidating, but it's actually a simple database management technique that allows users to read rows in a database table while the record is also being updated. There are multiple versions of the data, thus the term multiversion concurrency control. But there are challenges with controlling multiple versions of concurrently accessed data. But modern databases like Postgres and Oracle DB have ways of managing the corner cases that MVCC multi version concurrency control record management techniques present. If you want to learn how MVCC works, and how multi version concurrency control can help improve the speed and performance of your applications, watch this tutorial on MVCC! Images used in the video are from https://en.wikipedia.org/wiki/User:CF... Source: ElegantThemes http://www.elegantthemes.com/blog/fre... https://upload.wikimedia.org/wikipedi... https://upload.wikimedia.org/wikipedi... https://upload.wikimedia.org/wikipedi... This files are licensed under the Creative Commons Attribution 4.0 International license. https://creativecommons.org/licenses/...