DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Rowarea
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Tablearea
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Region
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Split
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Detailed explanation-1: -The correct answer is option (c) region.
Detailed explanation-2: -43. Define cell in HBase? The cell is the smallest unit of HBase table which stores the data in the form of a tuple.
Detailed explanation-3: -The column family is part of the directory name where the Hbase data is stored.
Detailed explanation-4: -In HBase Architecture, a region consists of all the rows between the start key and the end key which are assigned to that Region. And, those Regions which we assign to the nodes in the HBase Cluster, is what we call “Region Servers”. Basically, for the purpose of reads and writes these servers serves the data.
Detailed explanation-5: -An HBase table is a multi-dimensional map comprised of one or more columns and rows of data. You specify the complete set of column families when you create an HBase table. An HBase cell is comprised of a row (column family, column qualifier, column value) and a timestamp.