Which classes are used in Hive to Read and Write HDFS Files? ���Hive Interview Questions for Experienced/Hive Interview Questions and Answers for Freshers & Experienced

Which classes are used in Hive to Read and Write HDFS Files? ↑

Following classes are used by Hive to read and write HDFS files:

>> TextInputFormat/HiveIgnoreKeyTextOutputFormat: These 2 classes read/write data in plain text file format.

>> SequenceFileInputFormat/SequenceFileOutputFormat: These 2 classes read/write data in hadoop SequenceFile format.

Posted Date:- 2021-10-22 02:00:12

How is ORC file format optimised for data storage and analysis?

Can we run UNIX shell commands from Hive? Can Hive queries be executed from script files? If yes, how?

What Options are Available When It Comes to Attaching Applications to the Hive Server?

Can you list few commonly used Hive services?

How does partitioning help in the faster execution of queries?

Why do we perform partitioning in Hive?

What is difference between static and dynamic partition of a table?

does Hive support record level Insert, delete or update?

Can a partition be archived? What are the advantages and disadvantages?

What is the relationship between MapReduce and Hive? or How Mapreduce jobs submits on the cluster?

What is the significance of ‘IF EXISTS” clause while dropping a table? ↑

Explain about the different types of partitioning in Hive?

What is RegexSerDe? ↑

How does Hive deserialize and serialize the data? ↑

Why does Hive not store metadata information in HDFS?

Whenever we run a Hive query, a new metastore_db is created. Why?

How can you stop a partition form being queried? ↑

Can Hive process any type of data formats? ↑

How can you connect an application, if you run Hive as a server? ↑

How can you prevent a large job from running for a long time? ↑

Why will mapreduce not run if you run select * from table in hive? ↑

How does bucketing help in the faster execution of queries? ↑

What is ObjectInspector functionality in Hive?

Explain the functionality of ObjectInspector. ↑

Which classes are used in Hive to Read and Write HDFS Files? ↑

What is the difference between local and remote metastore? ↑

Explain about SORT BY, ORDER BY, DISTRIBUTE BY and CLUSTER BY in Hive. ↑

What does the Hive query processor do? ↑

How data transfer happens from HDFS to Hive?

Where does the data of a Hive table gets stored? ↑

Why Hive does not store metadata information in HDFS?

How data transfer happens from HDFS to Hive?

What is a Managed Table and an External Table?

What’s the difference between Hive and HBase?

What is the function of the Object-Inspector?

How do ORC format tables help Hive to enhance the performance?

What is Hiveserver2 (HS2)?

What is Hive Thrift Server?

What is the difference between partition and bucketing? ↑

What is Hive Bucketing? ↑

What are the different Modes in the Hive? ↑

What is the Object Inspector functionality is in Hive? ↑

Why do you need Hcatolog?

In Hive, how can you enable buckets? ↑

What is a Hive Index?

What do you mean by a Partition in Hive? What is its importance?

What is Hcatalog?

Can we change the default location of Managed tables?

What is SerDe in Apache Hive ?

How can Client Interact with Hive?

Search
R4R Team
R4R provides Hive Freshers questions and answers (Hive Interview Questions and Answers) .The questions on R4R.in website is done by expert team! Mock Tests and Practice Papers for prepare yourself.. Mock Tests, Practice Papers,Hive Interview Questions for Experienced,Hive Freshers & Experienced Interview Questions and Answers,Hive Objetive choice questions and answers,Hive Multiple choice questions and answers,Hive objective, Hive questions , Hive answers,Hive MCQs questions and answers Java, C ,C++, ASP, ASP.net C# ,Struts ,Questions & Answer, Struts2, Ajax, Hibernate, Swing ,JSP , Servlet, J2EE ,Core Java ,Stping, VC++, HTML, DHTML, JAVASCRIPT, VB ,CSS, interview ,questions, and answers, for,experienced, and fresher R4r provides Python,General knowledge(GK),Computer,PHP,SQL,Java,JSP,Android,CSS,Hibernate,Servlets,Spring etc Interview tips for Freshers and Experienced for Hive fresher interview questions ,Hive Experienced interview questions,Hive fresher interview questions and answers ,Hive Experienced interview questions and answers,tricky Hive queries for interview pdf,complex Hive for practice with answers,Hive for practice with answers You can search job and get offer latters by studing r4r.in .learn in easy ways .