Distributed database management system
Appearance
According to Elmasri and Navathe (2004, p.43), a Distributed Database Management System (DDBMS) "can have the actual database and DBMS software distributed over many sites, connected by a computer network".
References
Elmasri, R. and Navathe, S. B. (2004) Fundamentals of Database Systems Fourth Edition, Pearson Education.