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 HCatLoader and HCatStorer APIs?

Explain Drop View Statement along with syntax?

State some command line options?

Explain HCatOutputFormat?

What are the general Prerequisites to learn HCatalog?

Explain HCatInputFormat?

Explain HCatLoader APIs?

Explain HCatInputFormat and HCatOutputFormat?

Which command do we use to insert data in HCatalog?

Explain how HCatalog enables right tool for right Job?

State some DDL Command with brief Description?

Explain HCatalog Architecture in Brief?

Explain the term HCatalog?

How HCatalog helps to capture processing states to enable sharing?

Explain HCatWriter?

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