Learn Cassandra

Learn the fundamentals of querying data in Cassandra using CQL SELECT statements, including WHERE clauses and partition key filtering.

Master INSERT statements in CQL, including upsert behavior, IF NOT EXISTS conditions, and working with different data types.

Learn how to define keyspaces with replication strategies and create tables with the right schema design for Cassandra.

Understand the critical role of partition keys and clustering keys in Cassandra data distribution and query performance.

Deep dive into clustering columns, how they determine row ordering within partitions, and how to leverage them for efficient queries.

Learn how to use CQL collection types to store multi-valued columns, including lists, sets, and maps with practical examples.

Understand Time-To-Live for automatic data expiration and how tombstones affect read performance in Cassandra.

Learn when and how to use secondary indexes in Cassandra, including their trade-offs and alternatives like materialized views.

Master query-driven data modeling in Cassandra, including denormalization strategies, partition sizing, and schema design patterns.

Learn how to use IF conditions for compare-and-set operations, understand Paxos consensus, and know when LWT is appropriate.