Question: explain to me why an association class is needed for a many-to-many relationship.

explain to me why an association class is needed for a many-to-many relationship.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Task 3: Association Classes in UML Class Diagrams Consider the following modelling alternatives of three classes "Professor," "Student," and Lecture and the respective associations between them. Let...

Q:

Question1 (40 marks) Refer to Table 1. Write the Excel formula for each cell marked with "" in column C such that formula could be copied and pasted into columns D and E using Microsoft Excel without...

Q:

Chapter 10 Business Process and Information Systems Development \"Jeff, we clean the clubhouse restrooms twice a day . . . in the morning before 7 and again just before lunch. We've been doing that...

Q:

Compare Figure 7.6 with Figure 7.7: Which of the following describes the differences between those two figures? Multiple Choice -ints o Figure 7.7 includes tblLabor_Operations_Partners to implement...

Q:

Create Entity Relational Diagram* Instructions An Entity Relationship diagram is one of the most important diagrams for any major piece of software. In fact, given a sufficiently detailed ERD, a...

Q:

Suppose an Orders class has a Primary Key of two columns: a CustomerID (the ID number of the customer who placed the order), and a Order Date (the date that the order was placed, for example,...

Q:

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

Q:

This SQL project in three Phases and the instruction as below: Instructions Follow the steps and let me know if you have any questions. The intent of the project is to create a project you can use in...

Q:

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

Q:

1) You are to write a brief discussion of your solution, i.e. how you approached the modeling problem and any issues you may have encountered (maximum of page) 2) You are to write all applicable...

Q:

G Ia Date: Meter Load Co do Determine the line currents Ia, Ib, Ic and the neutral current In if Vab= The motor rated power is 5KVA and 0.8pf lagging and is delta connected while the capacitance is...

Q:

For the year ending November 30, 2010, Towson Medical Services Co. mistakenly omitted adjusting entries for (1) $1,430 of supplies that were used, (2) Unearned revenue of $11,150 that was earned, and...

Q:

8 Which is greater, 325 or 421? Show all your working.

Q:

Let asset A have the following return distribution: .25 chance of .18, .32 chance of .11, .29 chance of .04, .14 chance of -.03. Find the expected return, the variance, and the standard deviation.

Q:

Teamwork. As directed by your instructor, meet in a small group to discuss the following questions. (Objective 2) a. How do you feel when a teacher, manager, colleague, or service representative...

Q:

Technology. During the next conversation you have with a coworker, a family member, or someone not from this class, use paraphrasing at least once. E-mail your instructor to describe the effect...

Q:

Discuss five ways nonverbal messages could be presented in a positive manner when interviewing for a supervisory position in a business organization.