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Top 50 Apache Hive Interview Questions and Answers


Top 50 Apache Hive Interview Questions and Answers
English | 2017 | ASIN: B01N1XXJBD | 41 pages | AZW3 | 0.1 Mb
Introduction: Apache Hive Interview Questions

Introduction: 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 Apache Hive Technical interview questions that you can expect in a Technical interview. Apache Hive is a very important topic in technical interview. Many fortune 500 organizations use 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.
Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Apache Hive concepts.
How will this book help me?
By reading this book, you do not have to spend time searching the Internet for Apache Hive interview questions. We have already compiled the list of the most popular and the latest Apache Hive Interview questions.
Are there answers in this book?
Yes, in this book each question is followed by an answer. So you can save time in interview preparation.
What is the best way of reading this book?
You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Apache Hive.
What is the level of questions in this book?
This book contains questions that are good for a Associate Software engineer to a Principal Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional.
What are the sample questions in this book?
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?
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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