The below Entity Relationship Diagram (ERD) is in second normal form. Draw a new ERD in third normal form and explain the changes.

Q: When using subtype associations, talk about the database table choices that are accessible. Decide…

A: A Contacts table in a business database can hold the names of their suppliers, e-mail addresses, and…

Q: Consider the following relational schema: Staff (staffNo, name, dept, skillCode) Skill (skillCode,…

A: The question is asking for SQL queries to extract specific information from a relational database.…

Q: When developing subtype associations, talk about the database table options. Discuss the factors…

A: Given: Note that we can only respond to one question at a time and that you must submit this if you…

Q: It is a "Database Design" Subject. Please answer the following question. An arc is a constraint…

A: An entity-relationship model is used for defining and displaying the relationship's between the…

Q: Draw the Crow’s Foot ERD to reflect the dependency diagrams you drew in Part c. (Note: You might…

A: CROW FOOT NOTATION: Crow’s foot notation is a type of notation that uses graphical symbols to…

Q: A weak entity is defined as one that does not meet the requirements of any of the two criteria…

A: Let's have a look at the solution. Two criteria must be fulfilled in the order to be classed as a…

Q: Convert the Entity Relationship Diagram in to QI. relational database by using MS Access (Note:…

A: maintain the oder of creating table CUSTOMER TABLE CREATE TABLE CUSTOMER( CUSTOMER_ID NUMBER(5),…

Q: How to Doing "Update-Database" within your code in Entity Framework.

A: The databases used by non-development environment applications frequently need to be updated. After…

Q: 'What's an unnormalized relationship? Is it a relationship according to the term relation…

A: Unnormalized relationship

Q: Why are weak and strong entity sets different?

A: Entity sets in database design refer to collections of related entities or objects. Weak entity sets…

Q: relations are not physically sorted but both have an index on the attributes that are being merged,…

A: In this question we have to understand the term provided where when both relations are not…

Q: QUESTION 4   For the following collection of entities, give the assumptions concerning the…

A: Given entities: ORDER (order#, ordDate, cust#, cName ) ORDER_PART ( order#, part#, quantity )  PART…

Q: How can we define relation? Identify the characteristics that make up a relation.

A: The table in the relational database or the relationships created between the same tables using…

Q: Explain the relationship between the primary key of a relation and the functional dependencies that…

A: Introduction: A primary key is a database characteristic that uniquely identifies a record.

Q: Create a rule to extract attributes from one entity type and set them in another.

A: GIVEN: Create a rule to extract attributes from one entity type and set them in another.

Q: Please transform the following Entity-Relationship Schema (Diagram) into a Relational Schema. Please…

A: Here PNo and SSno are primary key.  The following are the entities : PROJECT, EMPLOYEE, ENGINEER The…

Q: Explain the connection between a relation's primary key and the functional dependencies that exist…

A: A primary key is an attribute that identifies a record in a database. It is used to filter data…

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: What is a relationship type? Explain the differences among a relationship instance, a relationship…

A: In the Entity-Relationship (ER) model, relationships are fundamental constructs that illustrate the…

Q: difference between  Relation; Relationship

A: A relation refers to a single table in an RDBMS, whereas a relationship refers to a combination of…

Q: When developing subtype associations, talk about the database table options. Discuss the factors…

A: NOTE: We are only authorized to answer a single question at a time; therefore, please submit this if…

Q: What does the term "relationship" mean? What are the qualities of a relation defined as?

A: A relation is a table with two dimensions. It includes the quantity of columns and rows (tuples)…

Q: 1. Describe entity constraint in your own words  2. what type of key satisfies the uniqueness…

A: This constraint says that the primary key of a table can never be a null value. The primary key is…

Q: To manage the materials of a factory, please give the E-R diagrams. Such entity sets are involved as…

A: The E-R diagram is given below:

Q: Make a relational diagram with the following data: 1. Patient Entity: RUT (Primary Key): Integer…

A: In this question we have to understand about the given relation ships and design a relationship…

Q: relationship between the entities(did not show the relationship) and the contraints

A: The solution for the above-given question is given below:

Q: Draw a Model Entity Relationship diagram with the following data. Entity Person Forecast Recipe…

A: In this question, we have to design a UML ER diagram for the given medical industry system.Let's…

Q: Entity, relationship, and attribute names and definitions should all be correct.

A: An entity relationship diagram (ERD) also known as an entity relationship model is a graphical…

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 four relationship merging issues

A: Introduction Four problems arise during the merging of the relationships, each with a fix. Relation:…

Q: Build an entity-relationship diagram, deriving relations and validating relations using…

A: entity-relationship diagram

Q: What exactly is a Ternary Relationship, and how does it function?

A: We know that the relationship of degree three is when three entities participate in an association…

Q: Identify at least four business rules for the following ER diagram. aircraft PK aircraft D seats PK…

A: The following entities and relationships are depicted in the diagram: Entities: aircraft seat…

Q: A ternary relationship is a relationship which includes Select one: O a. Two entities O b. Three…

A: In unary relationship, only one type of entity participate in that relationship.   In binary…

Q: Define the term attribute and give examples for the entity you described in question 4.7.

A: An attribute is a specification that defines a property of an object, element, or file. It may also…

Q: use draw a simple    diagram of any two entities linked    via relationship. On one of the…

A: ER Diagram: The relationships between entity sets that are kept in a database are depicted in a…

Q: Given the entity STUDENT and attributes: ST_INTIAL, ST_LNAME, ST_FNAME, ST_EMAIL, ST_PHONE .    Use…

A: Entity:- Student Attributes:- ST_INTIAL, ST_LNAME, ST_FNAME, ST_EMAIL, ST_PHONE