Introduction of SQL
In 1970 at the IBM research lab the new language had been developed to access data from the database system which are base on the relation model. This language was usually knownRead More…
Dr.E.F.Codd’s Rules
E.F.Codd introduced a list of 12 rules in 1985. These rules are known as Codd’s rules. It defines an ideal relational database and provided a guideline for the design of all relationalRead More…
What is RDBMS?
RDBMS stands for Relational Database Management System In DBMS, database is stored within a single table while in a Relational Database Management System database is spread over multiple tables and they areRead More…