The first step when working with data is to copy the data from the original source to a data repository.
Reliability, security and integrity of the data acquired are challenges.
Raw data needs to be organized, cleaned up and optimized for access and compliance of the organization.
Once in enterprise data repository, data management is performed to have repositories with hight availability, flexibility, accessibility and security.
Those data are now accessed by business stakeholders and other related professionals to make decisons and analysis.
Cloud computing, machine learning and big data are making modern data ecosystem evolve.