The purpose of Informatica ETL is to provide users with not only a process of extracting data from source systems and bringing it into the data warehouse, but also provide users with a common platform to integrate their data from various platforms and applications. This can be accomplished by providing users with both the process of extracting data from source systems and bringing it into the data warehouse, as well as the latter. Because of this, there has been a rise in the number of jobs that need certified Informatica ETL Training professionals. Before we go into discussing Informatica ETL, let’s first figure out why we need ETL in the first place.
Why Is ETL Necessary for Us?
In today’s business world, every organization is required to analyze enormous data sets derived from a variety of sources. It is necessary to analyze this data in order to get information that is insightful and useful for making business choices. But, quite often such data have following challenges:
- Data is produced in large quantities by large firms, and this massive amount of data may be in any format. They would be available in multiple databases and many unstructured files.
- This data must be collated, combined, compared, and made to work as a seamless whole. However, there is poor communication between the various databases.
Below you can see the various databases of an organization and their interactions: