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Apache Cassandra is a robust open-source distributed database management system that excels at handling large volumes of data distributed across multiple commodity servers. By constructing multi-node Cassandra clusters, it may readily scale to meet a sudden rise in demand and achieve high availability needs without a single point of failure. It's one of the most efficient NoSQL databases.

Following can benefit from Cassandra:

• E-commerce companies can benefit from Cassandra due to its zero downtime and high responsiveness
• Companies working on personalization and recommendation engines can benefit from Cassandra due to its fast response time and low latency
• Cassandra is a good fit for engineers working on Internet of Things applications, as it can ingest concurrent data from any node in the cluster
• Cassandra is a great database management system for preventing fraud and ensuring identity authentication
• Users working on financial services and payments, messaging, playlists, logistics and asset management, content management systems, transaction logging, digital and media management applications can also benefit from Cassandra

• Cassandra Command Line Interface(CLI) which is a simple interface to work with Cassandra Query Language

Cassandra throughput improves with more CPU cores, more RAM, and faster disks

• Minimum memory: 8GB RAM
• Minimum vCPU: 2 vCPUs
• Operating System: Ubuntu 18.04

The programming languages supported by Cassandra are:

• C#
• C++
• Clojure
• Erlang
• Go
• Haskell
• Java
• JavaScript
• Perl
• PHP
• Python
• Ruby
• Scala

Cassandra supports all possible data formats like structured, semi-structured, and unstructured. It also supports properties like Atomicity, Isolation, and Durability (AID)

You can access your existing cluster through Cassandra command line by exporting SSL variables and then with the following CQL command

• export SSL_VERSION=TLSv1_2
• export SSL_VALIDATE=false
• cqlsh "PrivatelPaddressOfNode" 9042 -u "username" -p "password" --ssl