Apache Hive Interview Questions and Answers

Apache Hive Interview Questions

Hive Interview Questions: Hive Interview Questions : 1)Explain what is Hive? Hive is an ETL and Data warehousing tool developed on top of Hadoop Distributed File System (HDFS). Hive is an open-source-software that lets programmers analyze large data sets on Hadoop Cluster. It is a data warehouse framework for querying and analysis of data that is stored in HDFS. 2)Mention what are the different types of tables available in Hive? There are two types of tables available in Hive. Managed

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Apache Maven Interview Questions and Answers

Apache Maven Interview Questions

Apache Maven Interview Questions and Answers: Maven Interview Questions: 1) Explain what is Maven? How does it work? Maven is a project management tool. It provides the developer a complete build lifecycle framework. On executing Maven commands, it will look for POM file in Maven; it will run the command on the resources described in the POM. 2) List out what are the aspects does Maven Manages? Maven handles following activities of a developer Build Documentation Reporting Dependencies SCMs Releases

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Jenkins Interview Questions and Answers

Jenkins Interview Questions

Jenkins Interview Questions and Answers: 1) Mention what is Jenkins? Jenkins is an open source tool with plugin built for continuous integration purpose.  The principle functionality of Jenkins is to keep a track of version control system and to initiate and monitor a build system if changes occur. It monitors the whole process and provides reports and notifications to alert. 2) Explain what is continuous integration? In software development, when multiple developers or teams are working on different segments of

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Git Interview Questions and Answers

Git Interview Questions

Git Interview Questions and Answers Top 45 Git Interview Questions: What is GIT? GIT is a distributed version control system and source code management (SCM) system with an emphasis to handle small and large projects with speed and efficiency. 2)      What is a repository in GIT? A repository contains a directory named .git, where git keeps all of its metadata for the repository. The content of the .git directory are private to git. 3)      What is the command you can

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Big Data and Hadoop Interview Questions and Answers

Big Data and Hadoop Interview Questions and Answers

Big Data and Hadoop Interview Questions and Answers What is BIG DATA? Big Data represents a huge and complex data that is difficult to capture, store, process, retrieve and analyze with the help of on-hand traditional database management tools. What are the three major characteristics of Big Data? According to IBM, the three characteristics of Big Data are: Volume: Facebook generating 500+ terabytes of data per day. Velocity: Analyzing 2 million records each day to identify the reason for losses.

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HBase Interview Questions and Answers

HBase Interview Questions and Answers

HBase Interview Questions and Answers 1. What is Apache HBase? HBase is a column oriented database which is used to store the sparse data sets. It is run on the top of HDFS. Apache HBase is a database that runs on a Hadoop cluster. 2.How Clients can access HBase data? Client can access HBase data through either a native Java API, or through a Thrift or REST gateway, making it accessible by any language. 3.What are the key components of Hbase?

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Map Reduce Interview Questions and Answers

Map Reduce Interview Questions and Answers

Map Reduce Interview Questions and Answers What is Map Reduce? Map Reduce is a java based programming paradigm of Hadoop framework that provides scalability across various Hadoop clusters How Map Reduce works in Hadoop? MapReduce distributes the workload into two different jobs namely 1. Map job and 2. Reduce job that can run in parallel. The Map job breaks down the data sets into key-value pairs or tuples. The Reduce job then takes the output of the map job and combines

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