This book offers a comprehensive introduction to relational SQL and nonrelational NoSQL databases. The authors thoroughly review the current state of database tools and techniques and examine coming innovations. The book opens with a broad look at data management including an overview of information systems and databases and an explanation of contemporary database typesSQL and NoSQL databases and their respective management systemsThe nature and uses of Big DataA highlevel view of the organization of data management Data Modeling and Consistency Chapterlength treatment is afforded Data Modeling in both relational and graph databases including enterprisewide data architecture and formulas for database design.