Final answer:
Cassandra does not support join operations. It is a NoSQL database that encourages denormalization and queries need to be handled in the application code or through data model design.
Step-by-step explanation:
No, Cassandra does not support join operations as seen in traditional relational database management systems (RDBMS). Cassandra is designed to operate as a distributed NoSQL database system, which prioritizes scalability and high availability over some of the transactional features offered by RDBMS, such as joins. Instead, Cassandra encourages the denormalization of data and the use of secondary indexes and materialized views to facilitate querying across different tables.
For example, if you wanted to 'join' data from two tables in Cassandra, you would typically need to structure your data model to either store all of the relevant data together in a single row or to perform the 'join' in your application code after retrieving the data from Cassandra. This approach eliminates the need for cross-table joins but requires careful planning during data model design to ensure that queries can be performed effectively.