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what is the difference between DBMS and RDBMS

on 2010-09-20 07:44:25   by Indraneel   on Computer Science & Engineering  1 answers

Sourav

on 2010-09-22 09:30:00  

DBMS is a ordinary system to maintain the data, whereas RDBMS is the specific type, which follows the concepts of set theory i.e entity etc. In DBMS there is no concept of PRIMARY KEY and FOREIGN KEY but it is included in RDBMS. DBMS contains only flat data whereas in RDBMS there will be some relation between the entities.