Apache HCatalog Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache HCatalog Interview Questions

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How to invoke Command Line Interface?

Who is intended audience to learn HCatalog?

Explain HCatalog Create Table CLI along with its syntax?

State some DDL Command with brief Description?

Which command is used to list all the tables in a database or list all the columns in a table?

Explain HCatLoader APIs?

Explain HCatInputFormat and HCatOutputFormat?

Explain HCatStorer APIs?

Explain HCatWriter?

Name all HCatalog Features?

State syntax of the command to drop an index?

Name Applications and Use Cases of HCatalog?

Which command is used to SHOW PARTITIONS lists in HCatalog?

Explain HCatReader?

What is the role of data transfer API in HCatalog?

Un-Answered Questions { Apache HCatalog }

Explain HCatalog Create Table CLI along with its syntax?

Explain HCatWriter?

What are the main classes of Data Transfer API?

State some command line options?

State some DDL Command with brief Description?

What is the role of data transfer API in HCatalog?

Explain HCatLoader APIs?

Explain HCatalog Architecture in Brief?

Explain HCatStorer APIs?

How HCatalog helps to capture processing states to enable sharing?

Who is intended audience to learn HCatalog?

Name all HCatalog Features?

HCatalog helps to Integrate Hadoop with everything. Explain?

How to create and manage a view in HCatalog?

Why HCatalog?

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