Write short notes on schema diagram, Database Management System

Write short notes on Schema diagram. 

A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema  diagram. Every relation appears as a box with attributes listed inside it and the relation name above it. 

 

Posted Date: 7/27/2013 7:09:08 AM | Location : United States







Related Discussions:- Write short notes on schema diagram, Assignment Help, Ask Question on Write short notes on schema diagram, Get Answer, Expert's Help, Write short notes on schema diagram Discussions

Write discussion on Write short notes on schema diagram
Your posts are moderated
Related Questions
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig

Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp

What are composite objects? Objects that have other objects are known as complex objects or composite objects.

How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct

Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566

The ABC Bank authority now wants to create a database for their customers. So you are requested to modify your program of Assignment A3 as follows. The main program first displa

What is meant by buffer blocks and disk buffer   The blocks residing temporarily in main memory are referred to as buffer blocks. The area of memory where blocks reside t

Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s

Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re

What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.