Oracle write consistency, bug, and scalable multi-thread de-queuing

A new blog post on the Databases at CERN blog:

A write consistency bug, how to see it with flashback query, and a scalable workaround.

https://db-blog.web.cern.ch/blog/franck-pachot/2018-09-oracle-write-consistency-bug-and-multi-thread-de-queuing

Oracle write consistency bug and multi-thread de-queuing