Top 50 Apache Hive Interview Questions

Do you want to make career in Data science and Data warehouse in Big Data technology?

Apache Hive is a popular tool in Data warehouse solutions based on Hadoop. Your career in Data science, Data analytics and Data warehouse can get a boost with the knowledge of Apache Hive.

This book contains basic to expert level Apache Hive interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time.
We have compiled this list after attending dozens of technical interviews in top-notch companies.
Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Hive.

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Some of the questions are:

  • How will you improve the performance of a program in Hive?
  • Can we use Hive for Online Transaction Processing (OLTP) systems?
  • How will you change the data type of a column in Hive?
  • What is Metastore in Hive?
  • What is SerDe in Hive?
  • What are the components in Hive data model?
  • What are the different modes in which we can run Hive?
  • What are the main components of Hive?
  • What is the use of Hive in Hadoop eco-system?
  • What Collection/Complex data types are supported by Hive?
  • What is the use of .hiverc file in Hive?
  • How will you run Unix commands from Hive?
  • What is the purpose of USE command in Hive?
  • What is the precedence order in Hive configuration?
  • How will you display header row with the results of a Hive query?
  • Can we create multiple tables in Hive for a data file?
  • How does CONCAT function work in Hive?
  • How will you change settings of a Hive session?
  • How will you rename a table in Hive without using ALTER command?
  • What is the difference between SORT BY and ORDER BY in Hive?
  • What is the use of strict mode in Hive?
  • What is the use of IF EXISTS clause in Hive statements?
  • What is the use of PURGE in DROP statement of Hive?
  • What are the main limitations of Apache Hive?
  • What is the difference between HBase and Hive?
  • What is ObjectInspector in Hive?
  • What are the main components of Query Processor in Apache Hive?
  • How will you resolve an out of memory error while running a JOIN query?
  • What are the different SerDe implementations in Hive?
  • What is the use of HCatalog?
  • What is the Data Model of HCatalog?
  • What is RLIKE operator in Hive?
  • Can we use same name for a TABLE and VIEW in Hive?
  • How will you load data into a VIEW in Hive?
  • What is Bucketing in Hive?
  • What are the pros and cons of archiving a partition in Hive?
  • What are the table generating functions in Hive?
  • How can we specify in Hive to load an HDFS file in LOAD DATA?
  • What is a Skewed table in Hive?
  • What is the use of CLUSTERED BY clause during table creation in Hive?
  • What is a Managed table in Hive?
  • How will you prevent data to be dropped or queried from a partition in Hive?
  • What is the use of TOUCH in ALTER statement?
  • How does OVERWRITE clause work in CREATE TABLE statement in Hive?
  • What are the options to connect an application to a Hive server?
  • How TRIM and RPAD functions work in Hive?
  • How will you recursively access sub-directories in Hive?
  • What is the optimization that can be done in SELECT * query in Hive?
  • What is the use of ORC format tables in Hive?
  • What are the main use cases for using Hive?
  • What is STREAMTABLE in Hive?

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