User Account

All Pages

What is the cardinality of an entity

Assignment Help Database Management System
Reference no: EM13706552

Question: What is the cardinality of an entity?

Why is it useful to consider the cardinality when designing a database?

How is it enforced in implementation?

I cannot seem to get this to work for some reason could somebody provide me answer?

 

Reference no: EM13706552

Questions Cloud

Implement a stock quote service as a web application : Implement a stock quote service as a web application using HTML, a java servlet, and a JSP page
Prepare a java program to create a gui : Prepare a java program to create a GUI and show the picture of the zodiac. Be sure to include comments. The comment should describe the purpose of the program and the data to be entered.
Computes the area of a triangle : The subsequent function computes the area of a triangle, but contains three errors. Find the errors and fix them.
Which detects even parity : Consider the subsequent circuit, which detects even parity. There are one output, even, and three inputs, a(2), a(l) and a(0), which are grouped as a vector or bus.
What is the cardinality of an entity : What is the cardinality of an entity - Why is it useful to consider the cardinality when designing a database?
Database design and end-user requirements : How pervasive are conflicts between database design and end-user requirements? Should the two go hand-in-hands?
Process of designing an er diagram : Does the process of designing an ER diagram ever require more than one iteration? Why or why not?
When would a weak relationship be more suitable : When would a weak relationship be more suitable than a strong relationship? Give concrete examples?
Complete and fully test the class characteristic : Complete and fully test the class Characteristic that Exercise explains. Suppose a class Characteristic that will be used in an online dating service to assess how compatible two people are.

Reviews

Write a Review

Database Management System Questions & Answers

  Knowledge and data warehousing

Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.

  Design a database schema

Design a Database schema

  Entity-relationship diagram

Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.

  Implement a database of courses and students for a school

Implement a database of courses and students for a school.

  Prepare the e-r diagram for the movie database

Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources

  Design relation schemas for the entire database

Design relation schemas for the entire database.

  Prepare the relational schema for database

Prepare the relational schema for database

  Data modeling and normalization

Data Modeling and Normalization

  Use cases perform a requirements analysis for the case study

Use Cases Perform a requirements analysis for the Case Study

  Knowledge and data warehousing

Knowledge and Data Warehousing

  Stack and queue data structure

Identify and explain the differences between a stack and a queue data structure

  Practice on topic of normalization

Practice on topic of Normalization

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd