What is the indexing mechanism in HBase?

The indexing mechanism in HBase is implemented through RowKey. In HBase, data is stored and sorted according to RowKey, with each row having a unique RowKey. When querying data, specifying the RowKey allows for quick location of the corresponding data row, enabling efficient data retrieval. Additionally, HBase supports secondary indexing by creating additional index tables for indexing a specific column, enhancing data retrieval efficiency.

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