What is difference between Cassandra and RDBMS databases

Cassandra Database Vs Relational databases

• In Relational databases, the data flow in low velocity while the data flow with high velocity in the Cassandra Database.
• Data comes from one or few locations in Relational databases while the data can come from multiple locations in the Cassandra Database.
• Relational databases manage the structure data while Cassandra Database manages structure data, unstructured data and multimedia data.
• There is single point of failure in Relational databases while there is no single point of failure.
• Relational databases supports centralized deployments while Cassandra Database supports decentralized deployments
• Transactions written at one location Relational databases while Transaction written in many locations in the Cassandra Database.

Why  use Cassandra Database

There are following features that Cassandra provides.

• Gigabyte to petabytes  scalability
• Linear Scale Performance
• No Single point of failure
• Fault Detection and Recovery
• Flexible and Dynamic Data Model
• Data Protection
• Tunable Data Consistency
• Multi Data Center Replication
• Data Compression
• Cassandra Query language