Given the dependency diagram below, create the set of dependency diagrams that would represent the model in 3NF. Each dependency diagram in the answer should be composed of elements with the same color as shown next to the dependency diagram. Be certain to put the elements in the dependency diagram in alphabetical order.

Q: Given the following EER diagram, write down the corresponding relations using the method taught in…

A: The answer is

Q: Make the entity-relationship model in Luicdchart for the following case: In the company Tecno1818…

A: Entity Relationship model is used for data modeling to database. It defines the relationship between…

Q: Develop ERD (Entity Relationship Diagram) for one of the following two scenarios. NOTE: No further…

A: Answer: We have drawn the the Entity relation diagram  for the one of the following so we have done…

Q: Translate the E/R diagram that you draw in the previous question into a set of relations, clearly…

A: Given Figure :-

Q: Normalise the answer from Q.5.2 to third normal form (3NF), showing all steps with explanations. The…

A: Please check the step 2 for solution

Q: Using a non-book example, define the words functional dependence and determinant.

A: The answer is provided below.

Q: List all of the many properties that the Entity-Relationship (ER) model has.

A: 1. Describe the different kinds of characteristics in the Entity-Relationship (ER) model. Solution:…

Q: Any weak entity set can be turned into a strong entity set by just adding the right properties. So,…

A: Your answer is given below.

Q: You are free to make reasonable assumptions for your model unless they conflict with the definition…

A: Here is the er diagram The entites are Hospital, doctor , department, appointment, patient,room One…

Q: Given the dependency diagram below, create the set of dependency diagrams that would as shown next…

A: 3NF: A relation can be in 3NF if the relation must be in 2NF and not contain any transitive partial…

Q: Demonstrate that if a relation contains no property that is functionally determined by all of the…

A: Introduction   Show that if a relation has no attribute that is functionally determined by all the…

Q: How do you know whether to convert a relationship to an associative entity type?

A: These entities are used when user wants a relationship to be mixed in a relationship.For example…

Q: Strongen a weak entity set by adding primary key attributes. Please explain our choice's overlap.

A: To strengthen a weak entity set, we need to add primary key attributes that will uniquely identify…

Q: Explain the concept of "weak entity" in data modeling.

A: Data modeling can be defined in such a way that it is the procedure of creating a conceptual…

Q: Give a Relational Model that corresponds to the Entity-Relationship Diagram in Figure 1. You must…

A: Relational Database schema is given below :

Q: The difference between a weak entity set and a strong entity set should be explained.

A: Strong Entity:  A powerful entity does not rely on any other entity in the schema for its existence.…

Q: Design an Entity-Relationship for each system described below. Use the (min,max) notation. State…

A: An entity is the relationship model which describes the interrelated things in a domain. A basic ER…

Q: Describe how functional dependencies may be used to show: • There is a many-to-one connection set…

A: Recognizing functional dependencies: The functional dependencies may be used to identify the…

Q: Assume you are a database developer for a company. You were asked to design a database for a…

A: If we convert the given information into Entity Relationship Diagram, the entities present in the…

Q: What is the definition of "weak entity type"? Does it have a secret? Can you elucidate what…

A: A weak entity type is an entity that cannot be uniquely identified by its attributes alone, and…

Q: A candidate key is possessed by an attribute of a composite primary key. What is your reaction to…

A: 1) In a relational database, a candidate key is an attribute or a set of attributes that uniquely…

Q: Lab 3: Normalization Assignment: Problem #11 from Chapter #6. (Be sure to note that this is PROBLEM…

A: The relation schema for the table structure is given below, CHARTER (CHAR_TRIP, CHAR_DATE,…

Q: Explain the difference between an entity class and an entity instance.

A: Entity: Entity may be a thought to abstractly represent all instances of a bunch of comparable…

Q: ER model relationships are represented using a.) relationship keys b.) primary keys c.) crows…

A: To find the solution for: ER model relationships are represented using  What do the cardinalities…

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A: The handwritten solution is provided below:-

Q: Draw the E/R diagram. Use an arrow in the direction of any 1 in the cardinality. This has the sense…

A: Here's how we can model this library system with an entity-relationship diagram (ERD): Entities and…

Q: Give a Relational Model that corresponds to the Entity-Relationship Diagram in Figure 1. You must…

A: Entity Relationship diagram mainly contains 3 components, that are Entities, Relationships and…

Q: Explain how functional dependencies can be used to indicate the following:• A one-to-one…

A: The functional dependency is a relationship that exists between two attributes. It typically exists…

Q: can be converted to a strong entity set by simply adding the appropriate attributes. Why,

A: For the following reasons, a weak entity set is required:

Q: What exactly does it imply when we talk about the weak entity type? What exactly is the key? Please…

A: In the context of entity-relationship modeling, a weak entity type is an entity type that depends on…

Q: Transform into relational model (relations). IMPORTANT: The diagram needed for the second part uses…

A: Er diagram stands for Entity relationship diagram which contains mainly three components that are…

Q: Describe how functional dependencies may be used to denote the following: • The entity sets student…

A: Functional dependency is a relationship that exists between two attributes. It typically exists…

Q: Give an SQL schema definition for the employee database of Figure 3.19.Choose an appropriate domain…

A: Given: Give an SQL schema definition for the employee database of Figure 3.19.Choose an appropriate…

Q: According to the university database that we explain in the class, explain how functional…

A: In the context of a university database, functional dependencies play a crucial role in indicating…

Q: It is possible to can convert any weak entity set to a strong entity set by simply adding…

A: To avoid the inconsistencies caused by duplicating the key of the strong entity. Though a weak…

Q: Consider the following scenario: two relationsr and s have histograms on attributes r.A and s.A,…

A: On the attributes r.A and s.A, two relations r and s have histograms, but their ranges are…

Q: 13. An unnormalized table means that: a. it has repeating groups. b. it has partial and transitive…

A: Answer: (B) it has partial and transitive dependencies. A connection that contains recurring values…

Q: however, do we have such a lackluster collection of entity sets

A: Entity set : An entity set is basically a collection of group of different entities.  Strong entity…

Q: i used simio to make an experiement and my process time is in a table (depend of entity input)i want…

A: There are several ways. One very efficient way to to simply hard code the row number for each…

Q: "Weak entity type" means what? Does it hide something? What's "attribute"?How would an ER chart show…

A: What is ER chart: An ER (Entity-Relationship) chart, also known as an ER diagram, is a visual…

Q: For the questions 12 thru 27, consider two relations called R1 and R2. The number of tuples in R1…

A: Since we only answer upto 3 subparts, we will answer he first 3. Please resubmit the question and…