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Hadoop Essentials by Swizec Teller

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The HBase data model

Storage of data in HBase is column oriented, in the form of a multi-hierarchical Key-Value map. The HBase Data Model is very flexible and its beauty is to add or remove column data on the fly, without impacting the performance. HBase can be used to process semi-structured data. It doesn't have any specific data types as the data is stored in bytes.

Logical components of a data model

The HBase data model has some logical components which are as follows:

  • Tables
  • Rows
  • Column Families/Columns
  • Versions/Timestamp
  • Cells

The HBase table is shown in the following figure:

Logical components of a data model

Let's take a look at these components in detail:

  • Tables: A Table in HBase ...

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