Data integration is the process of combining many data types and formats into a single location, which is then referred to as a data warehouse and etc,. Is Integration that important? "YES" it is.... Data integration brings together data from many platforms and makes it more useful to your company. It enables your employees to collaborate more effectively and provide greater value to your customers. You won't be able to access data collected in one system in another without data integration. Web Application Development: Web application development is the process of creating software (application programs) that is hosted on remote servers and delivered to a user's device via the internet. Importance of Web application in today's business world.... A web application enables organisations target and reach potential and existing customers easily and fast by using a website as its principal portal for access. In today's cyberspace, web applications play a critical role in enabling a variety of online transactions.