Ref: slideshare.net
| Difference between Hadoop and RDBMS | ||
|---|---|---|
| Difference on | RDBMS | Hadoop |
| Data Types | Structured | Multi and Unstructured |
| Processing | Limited | Processing coupled with data |
| Schema | Required on Write | Required on Read |
| Speed | Reads are fast | Writes are fast |
| Cost | Software License | Support only |
| Resources | Known entity | Growing, Complex, Wide |
| Best Fit Use | Interactive OLAP Analytics Complex ACID Transactions, Operational Data Store |
Data Discovery Processing Unstructured Data Massive Storage/Processing |
Ref: stratapps.net
Data Sciences 