Learning HBase

Comparing architectural differences between RDBMs and HBase

Let's list the major differences between relational databases and HBase:

Relational databases	HBase
Uses tables as databases	Uses regions as databases
File systems supported are FAT, NTFS, and EXT	File system supported is HDFS
The technique used to store logs is commit logs	The technique used to store logs is Write-Ahead Logs (WAL)
The reference system used is coordinate system	The reference system used is ZooKeeper
Uses the primary key	Uses the row key
Partitioning is supported	Sharding is supported
Use of rows, columns, and cells	Use of rows, column families, columns, and cells