by Daniel J. Power
Editor, DSSResources.COM

DBMS is an umbrella term for different types of database management system (DBMS) technologies. A relational database management system (RDBMS) is the most popular type of database management system for business transaction applications.

References

Stedman, C., "What is the difference between DBMS and RDBMS?" at URL http://searchdatamanagement.techtarget.com/answer/What-is-the-difference-between-DBMS-and-RDBMS