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What is Relational calculus? Relational calculus is a Non- Procedural language.
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
Information about films holds information about movies, stars and studios. Movies have a title, year of production, length and the film type. Stars have a name and address. Studi
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
it can be possible to create any table without primary key
Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
online eductional management system ke diagram
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
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