In an entity-relationship diagram, what does cardinality mean? 1:The data is saved concerning a single, individually identified element. 2:In a connection, the maximum number of entity instances 3:An entity's total number of primary keys 4:An entity's total amount of characteristics

Q: What does cardinality indicate in an entity-relationship diagram? 1:The unique identification for…

A: Introduction: This question is about the unique identifier for which data is stored. The…

Q: Analyze the given entity relationship diagram and answer the following questions.   What is the…

A: Part(1) Degree of relationship is basically the number of entities that in general participates in…

Q: Office stestbiame deptCode lastName frstName tacid rank Department employs Credits Faculty sRated…

A: a)entity type that has more than 2 relationships are- class and department class- relationship with…

Q: Modify the Er diagram given below and add 5 to 6 more additions to it such as entities attributes…

A: RE DIAGRAM for college management system

Q: What are the characteristics of a strong entity set as opposed to a poor one?

A: A strong entity is defined as an entities relation that owns a primary key and is independent, which…

Q: What is the definition of an Entity set?

A: Answer An entity set is a logical container for instances of an entity type and instances of any…

Q: List the Entity-Relationship (ER) model's various characteristics.

A: - We need to list the characteristics of Entity-Relationship model.

Q: need:  entity relationship diagram

A: The answer is

Q: Entity Relationship Diagram of the business, as shown in the case.  Completely and correctly specify…

A: The given problem has given the system description for order management where the requirement is to…

Q: An entity in X is connected numerous entity in Y, however an entity in Y is associated to only one…

A: Here  one entity in one set is related to more than one entity in other set.

Q: Was cardinality ever used as a representation of anything in an entity-relationship diagram? 1:The…

A: INTRODUCTION : Foundation This question is from Database Management System, a Computer Science…

Q: Please describe what an entity-relationship model is as well as how it operates.

A: Definition: Models of entity relationships are based on the relationships between entities in the…

Q: Based on Entity Relationship Diagram (ERD) below; a) Write the correct business rules for all…

A: The given problem is related to database entity relationship diagram where the solution will include…

Q: When an attribute of one entity type references another entity type's attribute, this means that: O…

A: The solution is given in the below step with explanation

Q: What does the term "cardinality" refer to in an ERD? One: The information is stored in relation to a…

A: Introduction Entity Relationship Diagrams: Entity Relationship Diagrams, sometimes referred to as ER…

Q: In an entity-relationship diagram, what does cardinality represent? 1:The distinct identifier for…

A: The CORRECT OPTION will be OPTION(2) which is "The relationship's maximum number of entity…

Q: Create an entity relationship diagram based on the following DFD Level 0

A: ERD stands for Entity Relationship Diagram which has a graphical representation of an information…

Q: Define when an attribute from one entity type should be extracted and inserted into another

A: The answer is

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1.A student can only one Social Security number while a Social Security number can belong to only…

Q: How does an entity-relationship diagram work and what precisely is it

A: Entity is basically a person,place,thing,object,etc. ER diagram is basically used to show…

Q: What is the difference between a weak entity and a strong entity that is necessary to have a…

A: This question comes from Database Management System which is a paper of Computer Engineering. Let's…

Q: C1. “Nomadic Desert Camp, Oman" requires an Information System to maintain the details of the…

A:

Q: What is NOT another name for an associative entity? Linking table Bridge entity…

A: An Association Entity in the Business Data Model (BDM) represents a mapping between two base…

Q: Please describe what an entity-relationship model is as well as how it functions.

A: Dear Student, The detailed answer to your question is given below -

Q: Describe what an entity-relationship model is and how it functions in your own words.

A: Given: Real-world entities and their connections inform entity relationship models.  ERM. Entity…

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.