SQL Interview Questions and Answers

Jan 30, 2018 | SQL

SQL Interview Questions and Answers 1) What are the components of the physical database structure of Oracle database? Ans: Oracle database is comprised of three types of files. One or more datafiles, two are more redo log files, and one or more control files. 2) What...

Selenium Interview Questions and answers

Jan 30, 2018 | Interview Questions

Selenium Interview Questions and answers 1) What is Selenium and what is composed of? Ans: Selenium is a suite of tools for automated web testing.  It is composed of Selenium IDE (Integrated Development Environment) :  It is a tool for recording and playing back.  It...

Python Interview Questions and Answers

Jan 30, 2018 | Interview Questions

Python Interview Questions and Answers 1) What is Python? State some programming language features of Python. Ans: Python is a modern powerful interpreted language with objects, modules, threads, exceptions, and automatic memory managements. Python was introduced to...

AngularJS Interview Questions and Answers

Jan 30, 2018 | Interview Questions

AngularJS Interview Questions and Answers 1) What is AngularJS? Ans: AngularJS is an open-source JavaScript framework developed by Google. It helps you to create single-page applications or one-page web applications that only require HTML, CSS, and JavaScript on the...

MultiNode Cluster Installation Guide

Jan 29, 2018 | Big Data

MultiNode Cluster Installation Guide Multinode cluster in Big data: A Hadoop cluster is a special type of computational cluster designed specifically for storing and analyzing huge amounts of unstructured data in a distributed computing environment. Machines in the...

Tutorial on MapReduce Installation

Jan 29, 2018 | Big Data

Tutorial on MapReduce Installation MapReduce – Installation: MapReduce works only on Linux operating systems and it comes inbuilt with a Hadoop framework. In ordered to install the Hadoop your system should have Java. If your system doesn’t have the Java. Firstly...

PHP Interview Questions And Answers

Jan 29, 2018 | Interview Questions

PHP Interview Questions And Answers 1) What is the difference between PHP running under the Apache module and running under CGI program? Ans: When PHP is running under the apache module the php.ini settings will be loaded into memory when we start the Apache web...

Java Interview Questions and Answers

Jan 29, 2018 | Java

Java Interview Questions and Answers 1) What if the main method is declared as private? Ans: The program compiles properly but at runtime, it will give “Main method not public.” message. 2) What if the static modifier is removed from the signature of the...

DevOps Jenkins Setup

Jan 29, 2018 | Salesforce

DevOps Jenkins Setup DevOps Jenkins Setup: DevOps Jenkins is a tool which is used to integrate and deploy the code between multiple applications. It integrates the code from Git repository and deploys through cloud services into another application. First, you have to...

Guide on Data Streaming in Big Data

Jan 29, 2018 | Big Data

Guide on Data Streaming in Big Data What is Streaming in Big Data? Streaming is a process in which big data is instantly processed so as to extract real-time insights from that. The processing is done while the data is in motion. It is a speed-focused approach wherein...