How to Draw a supertype-subtyperelationship for a person.

Q: Define Supertype/subtype hierarchy in ER model

A: Given: Define Supertype/subtype hierarchy in ER model.

Q: What is the purpose of a subtype discriminator?

A: A subtype discriminator is an attribute in the supertype entity that determines to which entity…

Q: What is a Attribute interpolation?

A: Given: What is a Attribute interpolation?

Q: Give an example of mapping a composite attribute?

A: Suppose we have an entity Employee whose attributes are Employee (Name{Fname, Lname, Minitial}, SSN,…

Q: Discuss briefly the permissible transformations for the different attribute types.?

A: The Answer is....

Q: Specify both completeness constraints and disjointness constraints in modelingsupertype/ subtype…

A: Given Question  Specify both completeness constraints and disjointness constraints in modeling…

Q: Consider the Diagram below and answer the following questions: 1) Select one class level attribute…

A: Below are the answers with explanation:

Q: Define key term subtype discriminator?

A: Define key term subtype discriminator?

Q: QUESTION 24 Click the box next to the multivalued attribute(s) in this conceptual diagram. Вотower…

A: Answer :-- option 5) phoneNumber.

Q: What makes a repeating group different from a simple multivalued attribute?

A: different between a repeating group and a simple multivalued attribute : A repeating group is the…

Q: What is Taxonomy Development in terms of writing for Conversational Agents in Education? Determining…

A:

Q: discuss the appropriate way to assess a Classification Model.

A: Classification is a supervised learning approach in which a target variable is discrete . Evaluating…

Q: Which of the following is not an E-R model relationship?a. some-to-manyb. one-to-onec. one-to-manyd.…

A: The answer is given below,

Q: What two courses of action are available to a designer who encounters a multivalued attribute?

A: Multivalued attributes An ER model or Entity Relationship model is a data representation model that…

Q: Define key terms supertype?

A: Entity It is distinguishable real-world object. In a database, only that ‘thing’ or ‘item’ is taken…

Q: What are the traits and attributes of a descriptive model that are essential?

A: MODEL DESCRIPTIVE - Descriptive research is a kind of the research approach that describes all of…

Q: What is the distinction between a repeated group and a straightforward multivalued attribute?

A: An attribute is a property of a table that contains a set of certain values in multiple rows that…

Q: Recognize when to use supertype/subtype relationships in data modeling.

A: Data Modeling: The process of creating a data model for the data to be stored in a database is…

Q: What is the function of a subtype discriminator?

A: The Answer is in step-2.

Q: Question 16 The property by which subtype entities possess the values of all attributes of a…

A: INTRODUCTION: Class management refers to the complete process of managing the classes that are…

Q: a) Define supertype and subtypes. b)Define correctly some attributes for supertype and subtypes. c)…

A: A subtype is a subgrouping of the entities in an entity type that is meaningful to the organization.…

Q: The manner label controls may be resized is controlled by the attribute.

A: answer is b. AutoSize

Q: How can you determine which model is the best if there are several alternative classification…

A: The answer is

Q: As a comparison tool, you may use a histogram that has been normalised. Is it OK to just have a…

A: Normalization of the histogram: A histogram may be normalized in a number of different ways, one of…

Q: The completeness constraint in a supertype/subtype relationship can have two values: and 1)…

A: The has given below:

Q: Give an example of a supertype/subtype relationship.

A: Given: Give an example of a supertype/subtype relationship.

Q: Which business rule from the following would require the creation of a supertype/subtype…

A: Answer in Step 2:

Q: Write the objectives of selecting a datatype for a field.

A: Lets see first what is datatype ?? Datatype is define as a classification which specifies that…

Q: Understand when it is appropriate to employ supertype/subtype relationships in data modelling.

A: Please refer below for your reference: Supertype and Subtype can be employed on below conditions in…

Q: Map the following EERD into relational model ArtistNumber Туре Artist Name --- M N FormationDate…

A: In database management, the relational model manages data via a language or structure that is…

Q: For each object, determine the primary key attribute, the composite attribute, the simple attribute,…

A: Solution: An entity property or feature is known as an attribute. An entity may have a wide range of…

Q: Define the terms supertype, subtype, and discriminator

A: Supertype:A generic entity sort that includes a relationship with one or additional subtypes

Q: Add a subtype discriminator for each of the supertypes shown in Figure 3-10. Show the discriminator…

A: subtype discriminator : this is used to conclude the target of the subtypes/ instance of the subtype…

Q: Define the terms supertype?

A: Given: Define the terms supertype?

Q: What is an exclusive subtype relationship? Give an example other than one shown in this book. Draw…

A: Exclusive subtype relationship: Each instance of the supertype may only apply to one subtype in an…

Q: What is the difference between a repeating group and a straightforward multivalued attribute?

A: Introduction: Although this direct transformation of the relational representation is possible, it…

Q: stuctural User pattern (private class data) username - password email Creational pattern Student…

A: there are 16 classes in a picture. structural pattern there is generalized relationship between…

Q: What is a Subtype discriminator?

A: Given: Subtype discriminator.

Q: As far as I can tell, they are very similar. What kind of measures are available for assessing…

A: similarity in meaning: It evaluates the shared semantic evidences derived from one or more knowledge…

Q: A relationship between entity supertype and entity subtype is known as  ___

A: Subtype: Sub grouping of the entities in an entity type. Supertype: Supertype is a generic entity…

Q: What is attribute inheritance? Why is it important?

A: Attribute Inheritance:- Attribute Inheritance can be defined as a property that inherits all…

Q: When utilizing subtype associations, it is important to discuss the database table options that are…

A: Given:   When utilizing subtype associations, it is important to discuss the database table…

Q: For each object, determine the main key attribute, composite attribute, simple attribute,…

A: Intro An attribute is an entity property or feature. There may be a lot of characteristics of an…

Q: What are the basic elements and traits to search for in descriptive models, and how do you identify…

A: Introduction: A descriptive model will use previously recorded data in databases to provide an…

Q: What is the definition of subtype hierarchies?

A: The definition of subtype hierarchies will be explained :

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.