Programming languages such as JavaScript are very useful for making dynamic and interactive websites. By operating client-side, it makes features like dynamic content updates, interactive maps, and form validation possible without requiring page reloads. JavaScript is necessary for both front-end and back-end web development since it powers...

These interview questions are tailored to introduce you to the types of queries that may arise in an EMC (EMC Corporation, now part of Dell EMC) interview. Based on my experience, skilled interviewers often initiate discussions with fundamental concepts before progressing to more specific topics. Rather than adhering to a predetermined set of...

Performance testing is a crucial part of software development aimed at assessing how a system performs under various conditions. It involves testing factors like response time, scalability, reliability, and resource usage to ensure that an application meets performance benchmarks. By simulating different user loads and stress levels, performance...

Microsoft Dynamics CRM (Customer Relationship Management) is a suite of business applications developed by Microsoft to help organizations manage their customer relationships and streamline various business processes. It provides sales, customer service, marketing, and field service tools, enabling businesses to understand their customers better,...

Primavera is a project management software developed by Oracle Corporation. It is widely used for planning, scheduling, and managing complex projects, particularly in the construction, engineering, and manufacturing industries. The software offers project planning, resource management, risk analysis, and reporting features. Primavera is known for...

PostgreSQL is a popular relational database management system (RDBMS). Our PostgreSQL tutorial provides basic and advanced concepts of PostgreSQL. In this tutorial, we are going to learn all the topics of PostgreSQL language, such as create a database, drop a database, select database, select table, update a record, create a table, delete...

Apache Spark is an open-source cluster computing framework. Its primary purpose is to handle the real-time generated data.Spark was built on the top of the Hadoop MapReduce. It was optimized to run in memory whereas alternative approaches like Hadoop's MapReduce writes data to and from computer hard drives. So, Spark process the data much quicker...

Apache Oozie is the tool in which all sort of programs can be pipelined in a desired order to work in Hadoop’s distributed environment. Oozie also provides a mechanism to run the job at a given schedule. This tutorial explains the scheduler system to run and manage Hadoop jobs called Apache Oozie. It is tightly integrated with Hadoop stack...

What is scikit-learn or sklearn? Scikit-learn is probably the most useful library for machine learning in Python. The sklearn library contains a lot of efficient tools for machine learning and statistical modeling including classification, regression, clustering and dimensionality reduction. Please note that sklearn is used to build machine...

SQL SQL is a database computer language designed for the retrieval and management of data in a relational database. SQL stands for Structured Query Language. This tutorial will give you a quick start to SQL. It covers most of the topics required for a basic understanding of SQL and to get a feel of how it works. Why to Learn SQL? SQL is...