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

Apache HCatalog Interview Questions

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Explain the term HCatalog?

Why HCatalog?

How to create and manage a view in HCatalog?

Explain Alter Table Statement in HCatalog?

How can we drop a table in HCatalog?

Which command do we use to insert data in HCatalog?

Explain HCatalog Architecture in Brief?

HCatalog helps to Integrate Hadoop with everything. Explain?

Explain how HCatalog enables right tool for right Job?

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?

How HCatalog helps to capture processing states to enable sharing?

Un-Answered Questions { Apache HCatalog }

Explain HCatalog Create Table CLI along with its syntax?

How to create and manage a view in HCatalog?

State some DDL Command with brief Description?

Which command do we use to insert data in HCatalog?

Explain HCatOutputFormat?

Explain HCatStorer APIs?

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

State syntax of the command to drop an index?

What are the main classes of Data Transfer API?

Explain HCatWriter?

Explain how HCatalog enables right tool for right Job?

Which command is used to SHOW PARTITIONS lists in HCatalog?

Explain Creating an Index?

Who is intended audience to learn HCatalog?

Explain HCatLoader and HCatStorer APIs?

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