HCatalog Tutorials


Learn Apache HCatalog Reader Writer With Example

1. Objective In our last HCatalog tutorial, we discussed the input-output interface. Today, we will learn HCatalog Reader Writer. In this HCatalog blog, we will learn how HCatalog manages for parallel input and output even without using MapReduce. So, it offers a way to read data from a Hadoop cluster or to write data into a Hadoop cluster.  So, let’s start HCatalog Reder Writer. 2. What is HCatalog Reader Writer? Basically, a data transfer API for parallel input and output […]

HCatalog Reader Writer

HCatalog Quiz questions

Online Hcatalog Quiz Questions With Answers Part 2

1. Top HCatalog Quiz Questions Earlier, we have discussed HCatalog Quiz Questions part 1. Today, we will see part 2 of Hcatalog Quiz Questions. These Hcatalog multiple choice questions will help you to boost your knowledge. to test your knowledge, answer all the HCatalog Quiz questions below. So, let’s see free HCatalog Quiz Questions. 2. Conclusion Hence, you covered the HCatalog Quiz questions Part 2. Hope these HCatalog Quiz Questions helped you. Still, if any query, ask in the comment […]


Free HCatalog Quiz Questions Part 1- 2018

1. Online HCatalog Quiz Questions So, you have covered the complete HCatalog Tutorial. Now, it’s time to check your knowledge for HCatalog. Test yourself through this “Free HCatalog Quiz Questions part 1”. Here, we are providing you some multiple choice questions of HCatalog with their answers. These Hcatalog Quiz Questions will help you to brush up your knowledge. So, let’s start the Online HCatalog Quiz. 2. Conclusion Hence, you completed the first part of HCatalog Quiz. We hope, you learned […]

Free HCatalog Quiz Questions Part 1- 2018

HCatalog Interview Questions

Best 30 HCatalog Interview Questions and Answers 2018

1. Top HCatalog Interview Questions and Answers So, you have completed our HCatalog tutorial, 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. 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. So, let’s start tricky HCatalog Interview Questions. 2. […]


HCatalog Applications and Its Use Cases

1. Objective In our last HCatalog tutorial, we discussed HCatalog and Pig Integration. Today, we will see HCatalog Applications and Use Cases. Also, we will discuss when to use HCatalog. There are several applications offered by HCatalog. By this HCatalog tutorial, we will know different benefits and need for HCatalog. So, let’s start HCatalog Applications and Use Cases. 2. HCatalog Applications As we know, there needs to be some layer of metadata and structure to interact with data, if we […]

HCatalog Applications and Uses Cases

HCatalog and Pig Integration

HCatalog and Pig Integration | Accessing Pig With HCatalog

1. HCatalog and Pig Integration In our last HCatalog tutorial, we discussed HCatalog loader and storer. Today, we will see HCatalog and Pig Integration. We can easily integrate HCatalog with Pig. Moreover, we will also see the example of HCatalog and Pig Integration to understand it well. So, let’s start HCatalog and Pig Integration. 2. Running Pig with HCatalog Generally, it is not possible for Pig to pick up HCatalog jars. So, either we can use a flag in the pig command or we […]


HCatalog InputOutput Interface | HCatalog MapReduce Integration

1. Objective In our last HCatalog Tutorial, we discussed HCatalog Applications. Today, we will see Hcatalog InputOutput Interfaces. In this HCatalog InputOutputtutorial, we will discuss the input and output formats of HCatalog. Moreover, we will learn HCatalog Mapreduce Integration. In this HCatalog tutorial, we will see HCatalog Mapreduce examples, filters, and authentication. Basically, to read data from HDFS and write the resultant data into HDFS after processing especially using MapReduce job we use HCatalog InputOutput Format interfaces.  So, let’s start HCatalog […]

HCatalog InputOutput

HCatalog Loader and Storer

HCatalog Loader and Storer – Usage & Example

1. HCatalog Loader and Storer In our last HCatalog tutorial, we discussed HCatalog Commands. Today, we will see HCatalog Loader and Storer. Moreover, we will also discuss the examples of HCatalog loader and storer. Basically, to read and write data in HCatalog-managed tables, the HCatLoader and HCatStorer interfaces are used with Pig scripts. So, let’s learn both HCatalog Loader and Storer in detail: 2. HCatLoader In order to read data from HCatalog-managed tables, we use HCatLoader with Pig scripts. a. Usage Via […]


Top 10 HCatalog Features | Why HCatalog is Popular

1. Objective In our last HCatalog Tutorial, we discussed HCatalog Command line interface. Today, we will discuss HCatalog Features. There is always a question occurs that why HCatalog is so popular now-a-days. So, in this HCatalog article, we will learn Top 10 Features of HCatalog which makes it best to use. So, let’s start HCatalog features. 2. HCatalog Features Here is the list of Features of HCatalog: i. Table and Storage Management Layer Basically, it plays a role as a table […]

HCatalog Features

HCatalog CLI Commands

Learn HCatalog CLI Commands (Create, Alter, View)

1. Objective In our last HCatalog Tutorial, we discussed HCatalog features. Today, we will see HCatalog CLI Commands. There are various commands like, create table, alter table, view, Show table etc are supported by HCatalog. So, in this HCatalog CLI Command tutorial, we will learn all these HCatalog CLI Commands in detail. So, let’s start HCatalog CLI Commands. 2.  HCatalog CLI Commands Here we are discussing all the HCatalog CLI Commands in detail: i. Creating Table in HCatalog Basically, to create […]