Data management across various spectrums poses a potential benefit for major institutions including hi-tech companies like Google, Facebook, Alibaba, Tencent, and Yahoo to name a few. This book entails some of the technologies utilized by these hi-tech companies to build, construct, and maintain databases while granting control to access the data. An overview of the database management system that encapsulates the DBMS management tools such as SQL Server, Cassandra, MongoDB, NoSQL, Bigdata, etc., used to develop and manage data. The author provides some visualization of some of these technologies: Tableau, Power BI, MongoDB Charts, MicroStrategy, SAP Analytics Cloud, and Qlik Sense. The book encapsulates the emergence of DBs from the 1960s (relational DB) to 2020 new cloud or data lakes based on SQL, NoSQL, MapReduce, and Spark. A brief highlight of big data success stories concerning product development, predictive maintenance, customer experience, fraud and compliance, machine learning, operational efficiency, and drive innovation.