Most Used Categories

Learn HBase

HBase – Security

HBase – Security, We can grant and revoke permissions to users in HBase. There are three commands for security purpose: grant, revoke, and user_permission.…Read More

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HBase – Delete Data

HBase – Delete Data, Using the delete command, you can delete a specific cell in a table. The syntax of delete command is as follows:…Read More

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HBase – Scan

HBase – Scan, The scan command is used to view the data in HTable. Using the scan command, you can get the table data. Its syntax is as follows:…Read More

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HBase – Count & Truncate

HBase – Count & Truncate, You can count the number of rows of a table using the count command. Its syntax is as follows:…Read More

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HBase – Create Data

HBase – Create Data, This chapter demonstrates how to create data in an HBase table. To create data in an HBase table, the following commands and methods are used:…Read More

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HBase – Update Data

HBase – Update Data, You can update an existing cell value using the put command. To do so, just follow the same syntax and mention your new value as shown below.…Read More

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HBase – Read Data

HBase – Read Data, The get command and the get() method of HTable class are used to read data from a table in HBase. Using get command, you can get a single row of data at a time.…Read More

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HBase – Drop a Table

HBase – Drop a Table, Using the drop command, you can delete a table. Before dropping a table, you have to disable it.…Read More

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HBase – Client API

HBase – Client API, This chapter describes the java client API for HBase that is used to perform CRUD operations on HBase tables. HBase is written in Java and has a Java Native API…Read More