{"id":20040,"date":"2018-07-10T04:00:13","date_gmt":"2018-07-10T04:00:13","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=20040"},"modified":"2018-07-10T04:00:13","modified_gmt":"2018-07-10T04:00:13","slug":"hcatalog-interview-questions","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/hcatalog-interview-questions\/","title":{"rendered":"Best 30 HCatalog Interview Questions and Answers"},"content":{"rendered":"

So, you have completed our HCatalog tutorial<\/strong>, now it’s time to test yourself. Here, we are providing some important HCatalog Interview Questions with their Answers. These Hcatalog Interview Questions will help you to increase your knowledge for HCatalog. <\/span><\/p>\n

These Interview Questions for HCatalog are specially designed for both freshers and experience of HCatalog. If you want to crack your HCatalog Interview, follow all the questions.<\/span><\/p>\n

So, let\u2019s start tricky HCatalog Interview Questions.<\/span><\/p>\n

Mostly Asked HCatalog Interview Questions<\/span><\/h2>\n

So, here is a list of frequently asked HCatalog Interview Questions along with their answers:<\/span><\/p>\n

Que 1. Explain the term HCatalog?<\/strong><\/p>\n

Ans. In simple words, a table storage management tool for Hadoop<\/strong> is HCatalog. As it main function it exposes the tabular data of Hive metastore<\/strong> to other Hadoop applications. <\/span><\/p>\n

Moreover, to easily write data onto a grid, it enables users with different data processing tools (Pig, MapReduce). Also, we don’t have to worry about where or in what format their data is stored.<\/span><\/p>\n

So, basically, a key component of Hive<\/strong> which enables the users to store their data in any format and any structure is HCatalog. <\/span><\/p>\n

Que 2. What are the general Prerequisites to learn HCatalog?<\/strong><\/p>\n

Ans. In order to learn HCatalog, an individual must have a basic knowledge of Core Java<\/strong> along with Database concepts of SQL. In addition, one must know about Hadoop File system and any of Linux<\/strong> operating system flavors for learning it.<\/span><\/p>\n

Que 3. Who is intended audience to learn HCatalog?<\/strong><\/p>\n

Ans. The professionals those are aspiring to make a career in Big Data <\/strong>Analytics by using Hadoop Framework, must go for this tutorial. Apart from them, all the ETL developers and professionals those are into analytics, in general, can learn through this tutorial for good effect.<\/span><\/p>\n

Que 4. Why HCatalog?<\/strong><\/p>\n

Ans. Some specific reasons for using HCatalog<\/strong> are:<\/span><\/p>\n