Hive - Data Model (Data Units)

About

Data in Hive is organized into:

• database: Namespaces function
• Tables - A relation table
• Partitions - Data in each table may be divided into Partitions.
• Buckets - Data in each partition may be divided into Buckets (or cluster)

Documentation / Reference

• https://cwiki.apache.org/confluence/display/Hive/Design
• https://cwiki.apache.org/confluence/display/Hive/Tutorial#Tutorial-DataUnits