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Top 20 R Programming Interview Questions and Answers: 1. Explain about data import in R language R Commander is used to importing data in R language. To start the R commander GUI, the user must type in the command Rcmdr into the console.…
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Top 20 Java Interview Questions and Answers 1. What is the difference between JDK, JRE and JVM? JVM: JVM is an acronym for Java Virtual Machine, it is an abstract machine which provides the runtime environment in which java bytecode can be…
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1. Mention what is OBIEE? Obiee stands for Oracle Business Intelligence Enterprise Edition (OBIEE). It is a business intelligence system for the enterprise that delivers abilities for reporting, online analytical processing (OLAP), ad hoc…
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Top 10 ETL Testing Interview Questions and Answers 1. What is ETL? ETL means extract, transform and load, three database functions that are combined into one tool to pull data out of one database and place it into another database. Extract…
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Top 10 Linux Interview questions and Answers 1. Define Linux?  Linux is an operating system based on UNIX, and was first introduced by Linus Torvalds. It is based on the Linux Kernel, and can run on different hardware platforms manufactured…
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Top AWS Interview questions and Answers in 2018 1.What is Amazon EC2 service? Amazon Elastic Compute Cloud (Amazon EC2) is a Amazon web service that provides resizable (scalable) computing capacity in the cloud. You can use Amazon EC2 to…
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Top 10 Selenium Interview Questions with Answers 1. What is Automation Testing or Testing Automation ? Automation testing is a process of automating the manual process to test the application/system under test. It uses separate testing…
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1.Difference between Hadoop and Traditional RDBMS? A. Datatypes : Hadoop : Processes semi-structured and unstructured data. RDBMS : Processes structured data. B. Best Fit for Applications : Hadoop : Data discovery and Massive…
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1. What is Python : Python is a general purpose programming language. Python is a relatively new programming language from 1991. The Python programming language is freely available and makes solving a computer problem almost as easy as…
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