Answer / Bipin Srivastava

HBase is a scalable, distributed NoSQL database built on top of Hadoop and HDFS. It is used for handling large volumes of structured and semi-structured data with real-time read/write access. Some benefits include high performance, flexible schema, and the ability to integrate with other Hadoop tools.

What is a cell in hbase?

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What is the best practice on deciding the number of column families for HBase table?

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Which technique can you use in hbase to access hfile directly without the help of hbase?

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How does hbase actually delete a row?

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What happens if you alter the block size of a column family on an already occupied database?

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How to start hbase services?

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Explain data versioning?

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Define HRegionServer in HBase

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Mention what are the three types of tombstone markers in hbase?

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What is the maximum recommended cell size?

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Define column families?

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name few other popular column oriented databases like hbase.

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