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Q: Question 6 In order to make it easier to compare the relation scheme diagram to the UML diagram, we…

A: In order to make it easier to compare the relation scheme diagram to the UML diagram, we (check all…

Q: By giving an example, define the following terms: A. Coding B. Relation and Relationship

A: Given data:-

Q: you will need to create an entity relation (E-R) diagram using the Crow's foot symbols that models…

A: IN this E_R diagram some entity and his attribute and data store and his relationship symbol was…

Q: Why draw a dependency diagram, and what do you use it for?

A: Dependency diagram is a graphical representation of all tasks in a work flow by representing the…

Q: What exactly is meant by the term "partial dependence," and how does it function? What is the…

A: Introduction: It is related to the second standard form (2NF).

Q: Draw an ER diagram to show the relationships among the tables

A: The ER diagram is as follows:

Q: What does it mean to be related? How do you define a relation's properties?

A: Relation is a property of set that we study in discrete math. Two set be said as related when it…

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: I am working on creating a logical entity relationship diagram for my database class. I am wondering…

A: Although the full problem description is not given so deducing the problem / requirements from the…

Q: Can you please help me in how I can turn the Entity Relationship diagram into a Logical Database…

A: An Entity-Relationship (ER) diagram is a visual representation of the entities (objects or concepts)…

Q: Define the terms "normalisation" and "functional dependence" as they relate to 1nf, 2nf, and 3nf.

A: Normalisation is a technique used when designing a database. Normalisation involves a multi-step…

Q: 13 of 40 Consider the following E/R diagram with isa relationships, noting that attribute a is the…

A: The correct relation for given ER diagram is ST(a,b,c,d)

Q: What does it mean to be related? How do you define a relation's properties?

A: Introduction: A relation is a table that has two dimensions. It is divided into rows (tuples) and…

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.