What is the difference between RDBMS and Hadoop?

DWQA QuestionsCategory: HadoopWhat is the difference between RDBMS and Hadoop?
Editor Staff asked 11 months ago

What is the difference between RDBMS and Hadoop?

1 Answers
Editor Staff answered 11 months ago

RDBMS
Hadoop

RDBMS is a relational database management system.
Hadoop is a node based flat structure.

RDBMS is used for OLTP processing.
Hadoop is used for analytical and for big data processing.

In RDBMS, the database cluster uses the same data files stored in shared storage.
In Hadoop, the storage data can be stored independently in each processing node.

In RDBMS, preprocessing of data is required before storing it.
In Hadoop, you don’t need to preprocess data before storing it.