41.What is a Hbase Store? A Habse Store hosts a MemStore and 0 or more StoreFiles (HFiles). A Store corresponds to a column family for a table for a given …
Technical Interview Questions
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- HBaseInterview Questions and AnswersTechnical Interview Questions and Answers
HBase Interview Questions and Answers Part-4
by Sby S31.How does Hbase support Bulk data loading? There are two main steps to do a data bulk load in Hbase. Generate Hbase data file(StoreFile) using a custom mapreduce job) from …
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HBase Interview Questions and Answers Part-3
by Sby S21.What is a rowkey in Hbase? Each row in Hbase is identified by a unique byte of array called row key.
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HBase Interview Questions and Answers Part-2
by Sby S11.Is Hbase a scale out or scale up process? Hbase runs on top of Hadoop which is a distributed system. Haddop can only scale uo as and when required by …
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HBase Interview Questions and Answers Part-1
by Sby S1.What are the different commands used in Hbase operations? There are 5 atomic commands which carry out different operations by Hbase. Get, Put, Delete, Scan and Increment.
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Hive Interview Questions and Answers For Freshers Part-5
by Sby S41.Can we LOAD data into a view? No. A view can not be the target of a INSERT or LOAD statement.
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Hive Interview Questions and Answers For Freshers Part-4
by Sby S31.What does the following query do? INSERT OVERWRITE TABLE employees PARTITION (country, state) SELECT …, se.cnty, se.st FROM staged_employees se; It creates partition on table employees with partition values coming …
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Hive Interview Questions and Answers For Freshers Part-3
by Sby S21.What is the significance of the line set hive.mapred.mode = strict; It sets the mapreduce jobs to strict mode.By which the queries on partitioned tables can not run without a …
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Hive Interview Questions and Answers For Freshers Part-2
by Sby S11.What are collection data types in Hive? There are three collection data types in Hive. ARRAY MAP STRUCT
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Hive Interview Questions and Answers For Freshers Part-1
by Sby S1.What are the different types of tables available in HIve? There are two types. Managed table and external table. In managed table both the data an schema in under control …