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Apache Accumulo for Developers by Guðmundur Jón Halldórsson

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Chapter 5. Security

Accumulo is designed for fine-grained security that normal database systems don't support. In the relational database world, the normal rule is that if you are allowed to query a table, you are going to be able to see all the rows in that table. Accumulo is designed to extend BigTable and fully supports cell-level security. Accumulo is a Key-Value database where one data row or Key-Value pair is composed of the following elements:

Security

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