RDBMS

RDBMS:

A DBMS based on relational model is called relational database management system or RDBMS.

RDBMS uses relational structures to store data. A relation is also called a table.
A relation contain tuples (rows) and attributes (columns).


STUDENT
Roll_no
Name
City
10001
Anurag
Burhanpur
10002
Yash
Khandwa
10003
Praful
Nepa nagar
10004
Harshal
Khanknar

MARKS
Roll_no
Marks
10001
92
10002
81
10003
78
10004
85

                                                                                                                                                            
In RDBMS tables are related each other.
Relation are set using a common column between tables.
In above tables, Roll_no is a common attribute between them which established a relation.


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