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diff b/w DBMS & RDBMS?
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Answer Posted / alpesh
Dbms is database management systems and Rdbms is
relational database management systems.Though both deal
with handling data(which includes
storing,deleting,retrieving,inserting and updating data)
the difference is that in DBMS,the data however large ,is
stored in a single table.Whereas in Rdbms the data that is
to be stored is split appropriately into many tables under
a common database name and these different tables dealing
with the same type of data are related to each other by
defining certain relations(so the name 'R'dbms i.e
relational).
For example,consider the database to store student
records.In DBMS,all details like
name,roll,marks,street,city ,state,phone will be stored in
a single table.But in Rdbms,the database is splitted
something like the name,marks,roll under the 'student
details' table and the street,city,state,phone under
the 'Contacts' table.Any information to be obtained is done
by the properly relating the 'student details'
and 'contacts' tables.DBMS offers a very limited scope for
data retrieval using queries when compared to
Rdbms.Examples of Rdbms-Oracle,MS-Access.
In short, in RDBMS the normalization is there while in DBMS
no such normalization is there.
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