crud_operations.rsdemonstrates how to create keyspace, table and user defined type. As well basic CRUD (Create, Read, Update, Delete) operations are shown;insert_collection.rsdemonstrates how to insert items in lists, maps and sets;multiple_thread.rsshows how to use CDRS in multi thread applications;paged_query.rsuncovers query paging;prepare_batch_execute.rsprovides an example of query preparation and batching;aws cassandra crud operationsillustrates how to connect and do CRUD operations on Amazon Managed Apache Cassandra Service.