Learn about Apache Cassandra and its key scalable and reliable data management features.

cassandra.tar.gz

Apache Cassandra is an open-source, distributed NoSQL database recognized for its scalability, reliability, and continuous availability. The course explores the core concepts that drive these features, including distributed architecture, data modeling, CQL, table design, data types, tunable consistency, and the read/write path. 

Lessons combine theoretical insights with hands-on exercises, allowing you to execute CQL queries directly in your browser and view real-time results with no setup required. Additionally, each module concludes with a quiz to test your understanding of the material. 

By the end of this course, you’ll be equipped with the skills needed to use Cassandra for high-performance data management.

Introduction to Apache Cassandra

In Cassandra, what is the partitioner configured for?

In Cassandra, what is the partitioner configured for?

**(Fill in the blank.)** If a Cassandra cluster comprises `n` number of nodes, the token range is divided into ________ equal parts with each node responsible for storing a contiguous range of tokens.

(Fill in the blank.) If a Cassandra cluster comprises <code>n</code> number of nodes, the token range is divided into ________ equal parts with each node responsible for storing a contiguous range of tokens.

the record’s primary key columns selected as partition keys

**(Fill in the blank.)** When a record is inserted, Cassandra passes ________ through the partitioner generating a token value which determines the node responsible for storing the record.

(Fill in the blank.) When a record is inserted, Cassandra passes ________ through the partitioner generating a token value which determines the node responsible for storing the record.

**(True or False)** A row may be accessed from any node irrespective of which node is responsible for storing the record.

(True or False) A row may be accessed from any node irrespective of which node is responsible for storing the record.

The number of nodes in a ring/datacenter.

The number of nodes responsible for saving a partition.


What does the replication factor (RF) define?

What does the replication factor (RF) define?

When is the replication factor specified?

When is the replication factor specified?

What is the replication factor is specified for?

What is the replication factor is specified for?

False, as the first replica is treated as primary/master.


**(True or False)** All replicas are equal.

(True or False) All replicas are equal.

**(Fill in the blank.)** The ________ replication strategy is rack and datacenter aware and enables future expansion to multiple datacenters.

(Fill in the blank.) The ________ replication strategy is rack and datacenter aware and enables future expansion to multiple datacenters.

**(Fill in the blank.)** The ________ command selects a keyspace and does not require a fully qualified table name, i.e., `keyspace_name.table_name` to be used in queries.

(Fill in the blank.) The ________ command selects a keyspace and does not require a fully qualified table name, i.e., <code>keyspace_name.table_name</code> to be used in queries.

Assess your understanding of Cassandra's distributed architecture, its partitioning and replication mechanisms.

Getting Started

Apache Cassandra Overview

Apache Cassandra Architecture

Apache Cassandra Data Modeling

Apache Cassandra Table

Apache Cassandra Data Types

Tunable Consistency

Apache Cassandra Read and Write Path

Wrap Up

Quiz: Apache Cassandra Partitioning and Replication