Monday 15 February 2016

What is Differences between Hadoop and RDBMS ?


Diffrences Between Hadoop And RDBMS





RDBMS

HADOOP
Data size
Gigabytes
Petabytes
Access
Interactive and batch
Batch
Updates
Read and write many
Write and read many
Structure
Static schema
Dynamic schema
Integrity
High Normalisation
Low Normalisation
Scalling
Non Linear
Linear


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