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Sunday, 18 December 2016

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

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