discuss two ways in which the 1:m relationship between course and class can be implemented

by Beaulah Douglas Sr. Published 2 years ago Updated 1 year ago 3 min read

How to implement the 1 to M relationship between course and class?

Discuss two ways in which the 1:M relationship between COURSE and CLASS can be implemented. ( Hint : Think about relationship strength.) This textbook is available at

What is the relationship between class and course?

Sep 27, 2021 · 1 Answer to Discuss two ways in which the 1:M relationship between COURSE and CLASS can be implemented. (Hint: Think about relationship strength.) How is a composite entity represented in an ERD, and what is its function? Illustrate the Crow’s Foot notation.

What is the relationship between course entity and class entity?

Aug 11, 2021 · Discuss two ways in which the 1:M relationship between COURSE and CLASS can be implemented. (Hint: Think about relationship strength.) Briefly, but precisely, explain the difference between single-valued attributes and simple attributes. Give an example of each. Q57; What are multivalued attributes, and how can they be handled within the ...

How do I convert an M-N relationship to a 1-m relationship?

15. Given the entities of COURSE and CLASS below, discuss two ways in which the 1:M relationship between COURSE and CLASS can be implemented. (Hint: Think about relationship strength. Also, you will need to add an additional attribute for one of the relationships.) COURSE(CRS_CODE, CRS_TITLE, CRS_DESCRIPTION, CRS_CREDITS) CLASS(CRS_CODE, …

Which of the following two conditions must be met before an entity can be classified as a weak entity?

In any case, two conditions must be met before an entity can be classified as weak: 1. The entity must be existence-dependent on its parent entity 2. The entity must inherit at least part of its primary key from its parent entity.

What two conditions must be met before an entity can be classified as a weak entity Give an example of a weak entity quizlet?

What two conditions must be met before an entity can be classified as a weak entity? The entity must be existence-dependent on its parent entity. The entity must inherit at least part of its primary key from its parent entity.

What is the difference between single valued attributes and simple attributes?

Expert-verified answer

Simple attribute − Simple attributes are atomic values, which cannot be divided further. ... Single-value attribute − Single-value attributes contain single value. For example − Social_Security_Number.Jan 12, 2020

What two attributes must be contained in the composite entity between store and product use proper terminology in your answer?

What two attributes must be contained in the composite entity between STORE and PRODUCT? Use proper terminology in your answer. The composite entity must at least include the primary keys of the entities it references.

What is an entity called that is designed to transform am n relationship into two 1'm relationships?

What is a bridge entity? AKA a composite entity, AKA an associative entity:An entity designed to transform an M:N relationship into two 1:M relationships. The composite entity's primary key comprises at least the primary keys of the entities that it connects. Also known as a bridge entity or associative entity.

What two attributes must be contained in a composite entity?

The composite entity must at least include the primary keys of the (parent) entities it references B. The composite entity must at least include the foreign keys of the (parent) entities it references.

What is the difference between single and multi-valued attributes explain?

Answer: The attributes that can have only one value for a given entity are called the single-valued attributes. For example, the attribute Book_title is a single-valued attribute as one book can have only one title. The attributes that can have multiple values for a given entity are called multi-valued attributes.

Which of the following is example of single valued attributes *?

For example a person can have only one 'date of birth', 'age' etc. That is a single valued attributes can have only single value. But it can be simple or composite attribute. That is 'date of birth' is a composite attribute , 'age' is a simple attribute.
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Multi valued attributes:

abiskaracharya1	556
saurabhcse7	210

3 more rows

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Jun 14, 2017

Which of the following is an example of a single valued attribute?

Single-valued Attribute

For example, the Section of 'Student' is a simple attribute as it can't be further divided. Also, it is a single-valued attribute because a student can't study in more than one section. For example, Section of a Student.Dec 30, 2019

What is a composite entity and what is its function?

Entities that exist to represent the relationship between two or more other entities are known as composite entities. As an example of how composite entities work, consider once again the relationship between an order placed by an Antique Opticals customer and the items on that order.

What is a composite entity and when is it used?

A composite entity is a concept that allows you to build a single entity by leveraging multiple entities that are related to each other.Aug 19, 2021

How many entity entities is are involved in a recursive relationship?

two entities

A relationship between two entities of a similar entity type is called a recursive relationship.Jun 10, 2021

What is a strong relationship?

A strong relationship is when an entity is existence-dependent on another entity and inherits at least part of its primary key from that entity. Given the business rule "an employee may have many degrees," discuss its effect on attributes, entities, and relationships.

What is a single valued attribute?

Give an example of each. A single -valued attribute is one that can have only one value. For example, a person has only one first name and only one social security number. A simple attribute is one that cannot be decomposed into its component pieces.

What is a simple attribute?

For example, a person has only one first name and only one social security number. A simple attribute is one that cannot be decomposed into its component pieces. For example, a person's sex is classified as either M or F and there is no reasonable way to decompose M or F.