Before starting to learn hadoop, we need to know why hadoop. For that, we need to learn what are the limitations of the existing system.
Ok. Now what are the existing systems? Its
The Limitations of RDBMS is listed below.
1. Scalability - RDBMS deals with GBs then what about data having volumes in TBs or PBs?
2. Speed
But Hadoop is not a replacement of RDBMS.
Ok. Now what are the existing systems? Its
- Relational Database management system (RDBMS)
- Files systems
- NoSQL
The Limitations of RDBMS is listed below.
1. Scalability - RDBMS deals with GBs then what about data having volumes in TBs or PBs?
2. Speed
But Hadoop is not a replacement of RDBMS.
