Single and multi valued attributes, Database Management System

Attributes having a one value for a particular entity.

For instance, Age is a single valued attribute of a student entity.

Attributes  that  have  more  than  single  values  for  a  specific  entity  is  known as  a multivalued attribute. Different entities may have dissimilar number of values for these types of attributes. For multivalued attributes we can also states the minimum and maximum number of vales that can be attached. For instance, phone number for a person entity is a multivalued attribute.

Posted Date: 3/6/2013 6:03:15 AM | Location : United States







Related Discussions:- Single and multi valued attributes, Assignment Help, Ask Question on Single and multi valued attributes, Get Answer, Expert's Help, Single and multi valued attributes Discussions

Write discussion on Single and multi valued attributes
Your posts are moderated
Related Questions

State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com

basic structure of xml

Explain the term - Control as Concurrent Tasks As we know, any object can be implemented as a task in programming language or operating system. This is the most general approa

A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation

A distributed database is defined as "a collection of multiple logically interrelated database which are physically distributed over a computer network" (a) Give any three advan

List the Armstrong's axioms for functional dependencies.  What do you understand by soundness and completeness of these axioms?      Ans: The Armstrong's axioms are: F1:

Define What are the desirable properties of a decomposition Ans: What are the desirable properties of decomposition - dependency preserving.  Because Lossless join and dependen

How much would you charge to create a database encompassing an Online Bakery with all the elements below? I. Describe the application that you would like to design. This should

You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.