what is the difference between DBMS and RDBMS??

Answer Posted / ram

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.

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