How are attributes represented in an er diagram

Assignment Help Computer Engineering
Reference no: EM131830785

Problem

1. What is an ER diagram?

2. How are entities and relationships represented in an ER diagram?

3. How are attributes represented in an ER diagram?

4. What are cardinality constraints and how are they shown in ER diagrams?

Reference no: EM131830785

Questions Cloud

What is the magnitude of an earthquake : What is the magnitude of an earthquake, y, that is seven times as intense as the previous earthquake (rounded to the nearest tenth)?
Percentage growth rate : What is the current population, the percentage growth rate, and the population size (rounded to the nearest whole person) after 5 years?
Explain why interest expense is greater than interest paid : Presented below is the partial bond discount amortization schedule for Rohr Corp., which uses the effective-interest method of amortization.
Will that push wages in dangerous jobs up or down : Overall, will employers have to pay for their decision to offer dangerous jobs, or will they have a free lunch handed to them by the new government?
How are attributes represented in an er diagram : What is an ER diagram? How are entities and relationships represented in an ER diagram? How are attributes represented in an ER diagram?
How many robotron workers just got laid off : How many Robotron workers just got laid off? Compare your answer to part a against the answer to question 2c to find out.
Define an sql statement that changes address of amy stevens : Define an SQL statement that changes the address of Amy Stevens in the 9E=h-O table. Define an SQL statement that deletes the customer with a Customer Id.
How would the current ratio and working capital have changed : Assume that at the end of 2017, Grouper used $3,000 cash to pay off $3,000 of accounts payable. How would the current ratio and working capital have changed?
Write the coordinates of each intercept : Find the x-intercept and the y-intercept without graphing. Write the coordinates of each intercept. 8x - 3/4= 1/3y + 3

Reviews

Write a Review

Computer Engineering Questions & Answers

  Transcripting the case

The CTO of organization that has requested your services would like for your forensics team prepare a transcript of what you could state to CTO.

  What materials will you use in the study

What materials will you use in the study? Will you use an interview protocol? If so, then provide the protocol that you will use for a qualitative study

  You are the chief information security officer ciso for vl

you are the chief information security officer ciso for vl bank as depicted in the attached vl bank case study.

  Understanding rms values and peak values of voltage current

Understanding rms values and peak values of voltage/current, A personal computer that has a built in monitor and keyboard requires 40W at 115V(RMS).

  Disadvantages of the columns-to-rows design pattern

Identify the major disadvantages of the columns-to-rows design pattern, and provide steps to eliminate them. Why there is no layer in the metadata model called "semantic layer"

  An expression for number of 2 x 2 switching elements needed

A stage of n x n banyan network consists of (n/2) 2 x 2 switching elements. The first stage directs packets to the right half of the network, the next stage to the correct quarter, and so on, until the packet is routed to the right output.

  Program that stores and converts a number

Write down a program that stores and converts a number entered in Roman numerals to an integer value. Your program should consist of a class named Roman.

  Define a suitable functional unit

Define a suitable functional unit for a comparative study between two different types of paint.

  What is the pert variance for the given activity

Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 12, and 18 days respectively, what is the PERT variance for this activity?

  Make a java application containing an array

design a JApplet with a JButton labeled "Who's number one?". When the user clicks the button, display your favorite sports team. Save the file as JNumberOne.java .

  Should pharmacies make available to the public

Does the Ministry of Health have a moral responsibility to educate the population about the risks involving the use of generic drugs Should pharmacies make available to the public the list of CDAP drugs which are generic

  Advantages and disadvantages of implementing a dfs

Advantages and disadvantages of implementing a DFS

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!

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