Altimetrik India Pvt Ltd interview questions and answers

What is the difference between vb and vb.net ?

July 22, 2021

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July 22, 2021

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Answer : VB stands for Visual Basic. It is a high level programming…

VB.NET

What is the difference between sqoop and pig ?

July 22, 2021

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July 22, 2021

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Answer : Sqoop is a simple tool used for transferring large amount of data…

What is staging table in sqoop ?

July 22, 2021

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July 22, 2021

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Answer : Staging table is used to stage the exported data…

What is update command in sqoop ?

July 22, 2021

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July 22, 2021

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Answer : There are two approaches to update in sqoop…

What is the use of sqoop ?

July 22, 2021

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July 22, 2021

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Answer : Sqoop is a simple tool that is used for moving data…

What is sqoop metastore ?

July 22, 2021

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July 22, 2021

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Answer : Sqoop metastore is an internally implemented database that can hold the definition of a given job…

What is sqoop ?

July 22, 2021

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July 22, 2021

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Answer : Apache Sqoop is efficiently transferring data between Relational databases and Apache Hadoop.

How to optimize Hive Performance ?

July 13, 2021

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July 13, 2021

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Answer : Tez-Execution Engine in Hive – Tez is a new application….

What is the difference between ‘select from table’ and ‘select column from table’ in hive ?

July 13, 2021

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July 13, 2021

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Answer : Table in Hive is stored as a directory in the HDFS…

What is the difference between hive view and a hive external table When should it be used ?

July 13, 2021

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July 13, 2021

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Answer : When the user queries table x the query planner….

What is the difference between hive and pig ?

July 13, 2021

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July 13, 2021

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Answer : Hive is used by data analysts…

What is the difference between Hive and HBase ?

July 13, 2021

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July 13, 2021

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Answer : Hive is query engine…

What is the Difference between apache hive and impala ?

July 13, 2021

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July 13, 2021

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Answer : Hive generates query expressions at compile
time…

What is the difference between Apache Hive and Apache Spark ?

July 13, 2021

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July 13, 2021

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Answer : Apache hive is a distributed query…

What is the difference between a normal hive table and hive table stored as ORC ?

July 13, 2021

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July 13, 2021

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Answer : Hive data is organized into Databases….

What is a difference between terradata SQL and Hive QL ?

July 13, 2021

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July 13, 2021

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Answer : Sql is a database however hive is not a database

What is the Relationship Between Hadoop Hbase and Hive ?

July 13, 2021

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July 13, 2021

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Answer : Hadoop is an open source software stack that runs on a cluster of machines

What is the location where “Hive” stores table data ?

July 13, 2021

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July 13, 2021

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Answer : The default location of the hive table is….

What is the best way to take the back up of hive partitioned table into a disk ?

July 13, 2021

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July 13, 2021

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Answer : Partitioning is the optimization technique in Hive which improves the performance significantly.