Which of the following defines a relationship in which each occurrence of data in one entity is represented by only one occurrence of data in the other entity?a. one-to-oneb. one-to-manyc. many-to-manyd. none of the above

Q: Display employees (by name and address) from "Chicago" and with an annual salary between 60000…

A: The database management system is a collection of data and information and SQL languages are used…

Q: A attribute in a relation is a foreign key if the _______ key from one relation is used as an…

A: A foreign key is a key used to link two tables together. This is sometimes also called as a…

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

A: Cardinality ratio in database design refers to the relationship between entities, indicating how…

Q: Question 19 Which of the following is a relationship between two entities? Group of answer choices…

A: In the intricate realm of data modeling and database design, the concept of relationships between…

Q: Which among the following can be an example of Aggregation relation? a. Car and Passengers b.…

A: In Unified Modified Language models (abbreviated as UML), an aggregation relationship displays a…

Q: 2. Make up some data for these entities. 2 Game records,3 Player records and 6 Gaming Event records.…

A: Answer: MongoDB JSON Model Query: use gamings db.createCollection("GAME")…

Q: Consider the following Staff relational schema: STAFF (STAFFNO, NAME, DOB, GENDER, DOJ, DESIGNATION,…

A: Relational model of this schema is below picture

Q: 1. Translate the following ER diagram into Relational Schema. Don't forget to put in the foreign key…

A: SOLUTION -Given ER diagramBuilding Entity:Attributes:nameComposite…

Q: that contains 4 entities in 3NF to create a Crow's Foot ERD (use the name of entities and attributes…

A: The given is a database description with entities , attributes, and relationships between the…

Q: 1. Total participation is where each entity participates in at least one relationship in the…

A: 1- True, Each entity in the entity set is involved in at least one relationship in a relationship…

Q: Database Design and Business Applications Development se Study 1 – The following exercise allows you…

A: Based on the data provided in the case study the following notes were created identifying the…

Q: What are the uses of DEFINE and DESCRIBE? Please expand and elaborate. DEFINE uses:   DESCRIBE…

A: Answer: DEFINE uses: Define means to precisely describe or state the nature, scope, or meaning of…

Q: You are required to draw a complete Crow's Foot ERD that includes the following entity relationship…

A:

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: Employee: (EID, Name, City, Address) Department: (DID, Department_Name, City, budget) Works IN:…

A: All the above details that are mentioned above in the question we will take to solve the question:…

Q: Design and draw an ER diagram for database.

A: As per our company guidelines, only one question will be answered. So, please repost the remaining…

Q: Which is the process of breaking a relation into multiple relations: a. Functional dependency b.…

A: This mcq is related to RDBMS.

Q: Which of the following is the term for whether or not an instance of one entity class must…

A: Ordinality refers to the sequence or order in which instances of one entity are associated with…

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: 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: difference between  Relation; Relationship

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

Q: What exactly does it mean to define a relation? Determine the aspects that contribute to the…

A: Start: A connection is the same thing as a table with two dimensions.  It includes a certain…

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: Which of the following defines a relationship in which data can have multiple occurrences in each…

A: The answer is given below,

Q: PLZ help with the following: Course(course_id,course_name, credit)  Here the course_id,…

A: The correct answer is (b). Attributes, Relation

Q: QUESTION 5 A functional dependency is a relationship between or among : Attributes Rows Entities O…

A: Here in this question we have asked that a functional dependency is a relationship between or…

Q: Which of the following, when used in an E-R model, indicates the need for an additional table?a.…

A: In the E-R (Entity-relationship) model, the "many-to-many relationship" shows the requirement for…

Q: Explain four relationship merging issues

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

Q: An entity whose presence depends on the presence of another entity in the database is a weak entity.…

A: A weak entity in database design refers to an entity type that does not have a primary key or whose…

Q: It is an abstraction through which relationships are treated as higher level entities a.…

A: Solution:-

Q: 8 Which of the following relationships models the following statement: "My friends have nice cars" *…

A: To Do: To identify the relation.

Q: Indicate the changes (using the shorthand representation) that you would need to make to the…

A: Question 1.) Indicate the changes (using the shorthand representation) that you would need to make…

Q: You have been hired as an intern at the local community center. The center has a number of sports…

A: Below are the different schema having attributes and are normalized in 3NF.  First row of each…

Q: You have been asked to design and implement a database for CTU, which includes 3 entities (tables),…

A: Hi.. Here you can find the answer for design and implement a database for CTU - both 2 part…

Q: Simplify the following Boolean functions, using k-maps: F (A, B, C, D) =E (0, 2, 4, 5, 6, 7, 8, 10,…

A: Given :

Q: A student basketball club wants to keep track of their players, games, and teams for the season. The…

A: ER diagram stands for Entity relationship diagram. It helps to explain logical structure of the…

Q: functional dependencies, what is the highest normal form the data model complies to? Note: Primary…

A: Primary key for the given relation is JobID A relation is said to be in 1NF if none of the attribute…

Q: Which of the following defines a relationship in which each occurrence of data in one entity is…

A: one-to-one :  Defines a relationship in which each occurrence of data in one entity is represented…

Q: WHAT IS THE RELATIONSHIP THIS TABLE ZERO TO MANY OPTIONAL ? ONE TO MANY ? ONE MANDATORY ? ONE TO…

A: In ER diagrams, there are many relationships between the entities. That are: Zero to one Zero to…

Q: ionary B- The attribute; the entity C- The entity; the attribute

A: given  - Data standardization usually focuses on fixing _ of data while data cleaning usually…