distinguish between relationship types and relationship instances
Q: An attribute is a property that describes the nature of an entity.
A: In the are actual world, an entity is a "thing" or "object" that can be distinguished from all other…
Q: Entity Relationship Diagrams for a hospital appointment reservation system.
A: Entity Relationship Diagrams for a hospital appointment reservation system
Q: StudentID, SName and SAddress best represents A. Relationship B. Entity Type C. Attributes D. None…
A: C. Attributes
Q: Entity-Relationship Diagram (ERD) is one of the data modeling tools that provides a software…
A:
Q: What variables influence relationships, and how do they function?
A: The various kinds of relationship characteristics will be discussed in this article.
Q: Question : Map the following ERD to relational schema (show primary and Foreign keys) CPR Supervise…
A:
Q: relation's main key and its functional interactions amongst its characteristics are interconnected
A: Please find the answer below :
Q: What is identifying relationship?
A: Identifying relationship An identifying relationship is a relationship between two entities in…
Q: The objects in database description is called a. concept construct b. entity construct c. schema…
A: Given data is shown below: The objects in database description is calleda.concept constructb.entity…
Q: When a relationship is divided vertically, a number of potential complications might arise as a…
A: Introduction: When a marriage dissolves, the PRA presumes that both parties contributed equally to…
Q: In DBMS, the property of interest which further describes the entity is classified as a.…
A: d. attribute
Q: One-to-many relationships are defined.
A: Below is the answer :
Q: School system scenario Students come at the beginning of the school year to register in a school…
A:
Q: 'What's an unnormalized relationship? Is it a relationship according to the term relation…
A: Unnormalized relationship
Q: What is relationship type?
A: There are three types of relationships: 1) One to One 2) Many to One 3) Many to Many
Q: What does the term "relationship" mean?
A: A relationship, in the context of databases, is a situation that exists between two relational…
Q: Description of Constraints Violations Domain Integrity Entity Integrity
A: Domain constrain : if the data type is in appropriate or the value of the attribute that doesn't…
Q: An attribute is a property that describes an entity's nature.
A: Introduction: A "thing" or "object" that can be recognised from all other items in the real world is…
Q: What is PrOPertieS Of relAtiOnS?
A: Given: Properties of Relation
Q: Explain the difference between a relationship class and a relationship instance.
A: The Relationship class describes a collection of relationships between entities, while the…
Q: Complete Each Entity's relationship. ex) A CUSTOMER makes many ORDER And if ther is any errors or…
A: The following relations exists in the given Entity Relation Diagram: A CUSTOMER makes many ORDER. A…
Q: When it comes to relationships, what is the connection between the main key of a relation and the…
A: The connection between the main key of a relation and the functional dependencies among all…
Q: What is the type of the relationship in the ?following figure Employee Organization Association C…
A: As per our policy, "Since you have asked multiple questions, we will solve the first question for…
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: Define the concept of a one-to-many relationship.
A: In DBMS, One to many relationship is one in which the relationship between two entities say A and B…
Q: The number of entities or instances that can participate in a relationship is called the Select one:…
A: The number of entities or instances that can participate in a relationship is called as Degree of…
Q: Transform the following Entity Relationship Model into Relational Schema. TID DeptiD DName TName…
A: The relational model is nothing but a group of tables or relations that create for your database.…
Q: Base construct a complete Entity Relationship lagram State the business rules. The MySejahtera…
A: ANSWERS;
Q: Description of Violations Constraints Domain Integrity Entity Integrity Referential Integrity
A: Domain Integrity:- data validation on particular column is known as domain integrity . Entity…
Q: What does it mean when a relationship is well-structured?
A: NOTE :- Below i explain the answer in my own words by which you understand it well.
Q: 46. ______________ express the number of entities to which another entity can be associated via a…
A: Here is the solution which is mentioned below:
Q: What is a Ternary Relationship, and how does it work?
A: What is a Ternary Relationship, and how does it work?
Q: What is the degree of a relationship?
A: The number of entities associated with the relationship is known as the degree of the relationship.
Q: Define a one-to-many relationship.
A: One-to-Many Relationship For Table X and Table Y If only one record from table X is related to more…
Q: Prepare an Entity Relationship Diagram for the application described in the following paragraph.…
A: Entities: The following are the main entities of Pick and Shovel’s company. Customers. Employees.…
Q: Differentiate between Ternary relationship and three binary relationships.
A: Ternary relationships_: A ternary relationship_ is when three entities participate in the…
Q: What is the definition of an attribute?
A: An entity is a real object which can be identified separately Example of entity is student,…
Q: Relationship Diagrams and Dataflow Diagrams.
A: S.No. DFD ERD 1. It stands for Data Flow Diagram. It stands for Entity Relationship Diagram or…
Q: What are AttriButeS On relAtiOnShiPS?
A: Here we will discuss the different types of attributes on relationship
Q: Databases: Give six important properties of relations.
A: The six important properties of relations are as follows: Values are atomic. Column values are of…
Q: ______ represent real-world associations between entities. Entities Attribute…
A: A relationship between two entities signifies that the two entities are associated with each other…
Q: what is the relationship Functional Dependency and Normalization?
A: step 1 The answer for above questions is given in the below step;
Q: What is incorrect about the characteristics of the relationship is A. Relationships are…
A: A. Relationships are distinguished by the position of attributes in the relationship.
Q: A relation that has no multivalued attributes is in _____ normal form.
A: GIVEN: A relation that has no multivalued attributes is in _____ normal form.
Q: Relationship Analysis • Relationship name: PARENT ENTITY relationship name CHILD_ENTITY (the name is…
A: Answer:
Q: Relationship Analysis • Relationship name: PARENT_ENTITY relationship name CHILD ENTITY (the name is…
A: Two entities are mentioned for the relationship analysis: PARENT_ENTITY and CHILD_ENTITY The…
Q: When must a many-to-many relationship bemodeled as an associative entity
A: Given: When must a many-to-many relationship be modeled as an associative entity.
distinguish between relationship types and relationship instances
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- Question 17 Which of the following is another term for a recursive relationship? Group of answer choices ternary relationship binary relationship supertype relationship subtype relationship unary relationshipWhat is the significance of “participation role name” in the description of relationship types?Differentiate among following: [at least 4 differences] 1. include and extended relation in use case diagram 2. Class and Object diagram
- When is it important to use an associative entity to express a many-to-many relationship?Computer Science: Why normalized relations may not impair the efficiency of a physical implementation structure's physical implementation structure.When an attribute of one entity type references another entity type's attribute, this means that: O it is a derived attribute O weak entity type exists O a relationship exists O it means nothing
- School system scenario Students come at the beginning of the school year to register in a school system and pay for the year’s fees..Each student is added to the appropriate class . each class has several teachers already registered in the system, tests are made by the teachers and the teacher adds the students' grades in the system, and at the end of the year the system issues students ’certificates. draw Entity Relationship diagram(ERD) from above scenarioAn Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. Consider the following description of a system: A university registrar’s office maintains data about following entities: Courses, including number, title, credits, syllabus, and prerequisites. Course offerings, including course number, year, semester, section number, instructor, timings and classroom. Students, including student-id, name, and program. Instructors, including identification number, name, department, and title. Furthermore, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an ER Diagram for the registrar’s office. Document all assumptions that you make about the mapping constraints.What is entity type?