I have started using cassandra for one of the projects I am working on and I did datastax course on data modeling. However in practice, there are several cases where I get stuck with what would be correct way to model data. To give example, https://stackoverflow.com/questions/41025245/cassandra-update-value-in-one-of-the-clustering-column So I am searching for good sources to read more about data modeling and explore more real life examples. What are resources that you found useful?