AWS re:Invent 2019: Why you need a ledger database: BMW, DVLA, & Sage discuss use cases (BLC203)

Why do you need an immutable ledger database? In this session, we dive into the problems that Amazon Quantum Ledger Database (Amazon QLDB) can solve, and we answer your questions about when and why you would use a ledger database. Customers BMW, the UK government organization Driver and Vehicle Licensing Agency, and Sage share their use cases for maintaining data integrity with Amazon QLDB.

[wholeofmine]

DVLA use case is very much practical and easy to understand how QLDB can be fit in to, unlike other usecases you need to know the domain and business thinking knowledge to follow .