Draw an er diagram for the diven situation

Assignment Help Database Management System
Reference no: EM13951284

Consider the following schema.
Student(Ssn, Name)
TakenCourses(Ssn, CourseNo)
Register(Ssn, CourseNo)
Course(CourseNo, Name, Year, Term)
PreRequisite(CourseNo, ReqCourseNo)

Table TakenCourses manages courses info that a student has taken. A course may require pre-requisite courses and the pre-requisite course info is managed in table PreRequisite. draw an ER diagram for this situation

Reference no: EM13951284

Questions Cloud

List and describe the business drivers behind choosing os : List and describe the business drivers behind choosing a particular operating system. What factors might influence IT to choose between open systems versus proprietary systems versus server operating systems?
Range of the joint probability distribution : Assume the companies are independent. Let X, Y, and Z denote the number of new competitors that will pose no, moderate, and very high risk for the interested company, respectively.
How the law of bergonie and tribondeau could determine : A 22 year old female is scheduled for a barium enema study. She informs you there is a possibility she might be pregnant. Explain how the Law of Bergonie and Tribondeau could determine the radiologist's decision on whether to perform the exam on y..
Lower-left corner of the scatterplot : As in the previous exercise, create a group of 10 points in the lower-left corner of the scatterplot with a strong straight-line pattern (correlation at least 0.9). Click the "Show least-squares line" box to display the regression line.
Draw an er diagram for the diven situation : Table TakenCourses manages courses info that a student has taken. A course may require pre-requisite courses and the pre-requisite course info is managed in table PreRequisite. draw an ER diagram for this situation.
Midst of labor-management negotiations : In the midst of labor-management negotiations, the president of a company argues that the company's blue-collar workers, who are paid an average of $30,000 per year, are well paid because the mean annual income of all blue-collar workers in the co..
Estimate of the effect the housing voucher program : Provide an estimate of the effect the housing voucher program has on retention at KAPC. Suppose KAPC spends $10,000 in hiring costs each time a position is vacated. Would you endorse expanding the housing voucher program to all new employees? Justi..
Context of information technology and information security : Using any of several different tools (Online White pages, Peoplefinders, Wink People Finder, etc.) someone has found your name and address. What other information would be needed in order for them to access your ONLINE bank account or credit card ..
Expected percentage change in value : 1. Calculate the duration of a $100,000 fixed-rate 30-year mortgage with a nominal annual rate of 7.0%. What is the expected percentage change in value if the required rate drops to 6.5% immediately after the mortgage is issued?

Reviews

Write a Review

Database Management System Questions & Answers

  Create a view on the student database connecting student

Create a view on the student database connecting student and enrollment with a where statement so no criteria then try to us it to do

  Create an ms access database called memberledger.mdb

Create an MS Access database called MemberLedger.mdb. Add a table called Members with the following columns. (Already done, see attachment).

  Q1with the new unsw timetabling system the lic of each

q1with the new unsw timetabling system the lic of each course is required to specify what facilities they require in

  Create application owner and stored in schema

One of the tenets of database development is to never permit developers to create or own objects during development. All objects are created by application owner and stored in that schema.

  Produce a set of relations

An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein methodology as per the study book and tutorials.

  Create an entity-relationship diagram and design

create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices

  Information-gathering techniques for the project

Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.

  Seconds of elapsed time to execute

Suppose that a certain program takes 500 seconds of elapsed time to execute. Out of these 500 seconds, 280 seconds is the CPU time and the rest is I/O time. What will be the I/O time?

  Compute the activity rates for each of the three cost pools

Compute the activity rates for each of the three cost pools and Compute the activity rates for each of the three cost pools.

  Bonds and term structure1 graph the bond yield to maturity

bonds and term structure1. graph the bond yield to maturity ytm on the y-axis of an xy-scatter plot with the bond to

  Normalized erd-memo or and database file

Normalized ERD, Memo, and Database File

  Give an example of a view on emp that would be impossible to

Give an example of a view on Emp that would be impossible to update (auto- atically) and explain why your example presents theupdate problem that it does.

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