With technology now penetrating every aspect of human life, internet has become indispensable for many. The web has infiltrated every walk and hundreds of thousands of individuals would be utterly lost without the aid of the net. This has led to a stupendous increase in the data exchanged over the internet and the files, while increasing in numbers, are becoming more and more heavy and unstructured. The earlier database management systems like RDBMS and SQL are proving to be increasingly incapable of handling this data flow. This has led to the development of Cassandra as a means of efficient and structured data management. Cassandra is a database management system that simplifies the storage and management of big data and leads the system to a greater efficiency. The technology makes use of various nodes and clusters on a network and employs them as individual storage and replication points. This makes the storage structured and greatly reduces the chances of a downtime occurring in case of a failure at the server end. With the development of Cassandra and its recognition as a superior system for management of voluminous data, the demand for experts with certified Cassandra training has increased manifold. Professionals are enrolling themselves for Cassandra training programmes with great gusto to make the maximum of this opportunity. However, with the experts being just a handful and geographically diverse, it is not possible for every aspiring professional to join a course. Moreover, there are time constraints for working professionals that limit the free time and prevent them from joining a course at an institute. But all these problems are being cured by the numerous Cassandra online training programmes. These programmes not only provide freedom as to the timing and availability of the trainee, they also eliminate the geographic divide successfully. Today, there are a number of websites offering online Cassandra training programmes that are up to the mark and arm the professionals undertaking these courses with expertise in Cassandra. The online Cassandra training courses are conducted by some of the most knowledgeable experts of the field and are highly conducive to a professional learning of the software. These courses comprise of online classes wherein a trainee can listen to the experts discussing the intricacies of Cassandra. The course is complete with rich multimedia textual content and problem solving sessions wherein the students can chat live with the professional experts on the matter of the course. In addition, there are round the clock help lines to clarify any doubts that arise. The experts, understanding the need of a practical environment for learning, employ recognizable references and also promote learning through hit and trial techniques which develop the confidence and aptitude of a candidate towards working with Cassandra. With the professional expertise at hand and the convenience borne out of the preference of timing and location, aspiring candidates are sure to gain from these online courses. There, however, should be a great deal of caution used whilst choosing which training programme to join. There should be a clear objective as to the level of expertise to be acquired and thoughtful work put behind screening out the fraudulent and unworthy courses. Joining the right course with the desired orientation and with the best experts as instructors, one can definitely benefit from an online Cassandra training.