Date: 2018-02-02
Time: 15:20–16:10
Room: Hotel
Level: Beginner
In transaction processing systems, it is often useful, but seldom done, to have an automated way to keep a record of changes on separate resources. "Time travel" queries and auditing are common uses of such capabilities.
People didn't do this by default because it was complex and error-prone. Now, it can be simple and automatic.
When you leave, you'll know how.