iOS is a mobile operating system developed and distributed by Apple Inc. It was originally released in 2007 for the iPhone, iPod Touch, and Apple TV. iOS is derived from OS X, with which it shares the Darwin foundation. iOS is Apple's mobile version of the OS X operating system used in Apple computers. iOS architecture The iOS...

If you’ve ever applied for a project management position or looked into getting a project management certification, you’ve likely come across a requirement for “project management experience.” For example, consider that for a Project Management Professional (PMP) certification, PMI wants you to demonstrate at least 4,500 hours of...

Data modeling (data modelling) is the process of creating a data model for the data to be stored in a Database. This data model is a conceptual representation of Data objects, the associations between different data objects and the rules. Data modeling helps in the visual representation of data and enforces business rules, regulatory compliances,...

Informatica architecture is a comprehensive framework designed to manage, integrate, and process data across various sources and targets. It consists of critical components such as the PowerCenter Repository, PowerCenter Server, and PowerCenter Client tools. The Repository stores metadata and configuration information while the Server executes...

Hive is a data warehousing infrastructure based on Apache Hadoop. Hadoop provides massive scale out and fault tolerance capabilities for data storage and processing on commodity hardware. Hive is designed to enable easy data summation, ad-hoc querying and analysis of large volumes of data. It provides SQL which enables users to do ad-hoc...

Pentaho: The Ultimate Tool for Business Analytics and Reporting Pentaho is an open-source business intelligence (BI) and data integration platform. It provides a suite of tools for data management and analytics. Key components include Pentaho Data Integration (PDI), Report Designer, Analyzer, Dashboard Designer, Data Mining (Weka), and Metadata...

In this Salesforce Objects tutorial, we are going to learn about the various objects of the Salesforce Technology. Moreover, we will learn two types of Salesforce Objects that are Salesforce Standard Objects and Salesforce Custom Objects. Also, we will see how many Standard Objects in Salesforce. We will also look at Salesforce Objects and...

Chef is a Configuration management tool that manages the infrastructure by writing code rather than using a manual process so that it can be automated, tested and deployed very easily. Chef has Client-server architecture and it supports multiple platforms like Windows, Ubuntu, Centos, and Solaris etc. Chef is an automation tool that provides a...

Python is a general-purpose interpreted, interactive, object-oriented, and high-level programming language. It was created by Guido van Rossum during 1985- 1990. Like Perl, Python source code is also available under the GNU General Public License (GPL). This tutorial gives enough understanding on Python programming language. Why To Learn...

Wrapper class A Wrapper class is a class whose instances are collection of other objects. It is used to display different objects on a Visual Force page in same table. Wrapper class in salesforce is a class which contains collection of different objects as its members, we can wrap different types of objects and can bring it on visual force...