Answer / Ankit Kumar Rathi

To design or modify the schema in Apache HBase programmatically, you can use Java API (org.apache.hadoop.hbase.client.Admin) to create, alter, and drop tables, add/remove columns, and manage column families.

Assume that an HBase table Student is disabled. So, how to access the student table once it is disabled, by using Scan command?

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How many operational command in hbase?

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What is the use of HColumnDescriptor class?

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What is table in hbase?

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Which command is available to show the current HBase user?

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Explain what is wal and hlog in hbase?

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Define lzo?

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Define ttl in hbase?

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Which command is used to run hbase shell?

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What is use of tools command?

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Which one would you recommend for hbase table design approach – tall-narrow or flat wide?

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Why to use hbase?

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