Create an entity na
Q: Consider the following parking tickets. Create ERD using Crow’s Foot notation with relationship…
A: A database is an organized collection of structured information, or data, typically stored…
Q: Differentiate between weak entity set and strong entity set
A: Note: There are multiple questions are given in one question. According to the rule, you will get…
Q: What are ASSOciAtive entitieS?
A: Given: Associative entity
Q: TRUE or FALSE - A super-entity can only have two sub-entities and no more.
A: A SUPER-ENTITY CAN HAVE MORE THAN TWO SUB-ENTITES
Q: Generalization is the process of defining a general entity type from a collection of specialized…
A: Generalization is a process of a new entity being formed using the collection of two or more…
Q: QUESTION 2 in ERD, an Entity with a partial key is named: O Partial Entity O Srong Entity O Weak…
A: Strong Entity is an entity which is not dependent on other entity and have a primary key. Its…
Q: Make a list of the characteristics you'd want to see in an entity identification property.
A: Answer:
Q: It is the relation among individual entities and values. O principles patterns state relation
A: In Step 2, I have provided correct option-----
Q: Q2/II draw the entity relationship for each of the following: 1-" a student studies one or many…
A: ANSWER: Entity Relationship: Entity: Entities are the essential objects of ERDs. These are the…
Q: Consider the following parking tickets. Create ERD using Crow’s Foot notation with relationship…
A: St_ID L_Name F_Name Phone_No St_Lic Lic_No Ticket# Date Code Fine 38249 Brown Thomas 111-7804 FL…
Q: The following statements are correct for. 1. Certain attributes may apply to some but not all…
A: Generalization: Based on the common features that exists among a set of entities, they can be…
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: Regular entity type is transformed to a relation.
A: To be determine: Regular entity type is transformed to a relation.
Q: How is a relationship between entities indicated in an ERD? Give an example using the Crow’s Foot…
A: Relationship Representation in ERD(Entity Relationship Diagram):- ER diagram or Entity…
Q: An entity that depends on an other entity to exist is called ________ entity
A: There is something known as an entity, and it is that thing. If you're working with databases, an…
Q: What is an entity set?
A: An entity set is a group of similar entities and these entities can have attributes.
Q: Given the relation R(A, B, C, D, E, F), the following functional dependencies exist: B --> C, D D…
A: Given : R(A, B, C, D, E, F) B --> C, DD --> F
Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age,…
A: Answer to the given question: choice(a) First Normal Form The given relation will be in first normal…
Q: When using the arc implementation to convert a super set entity into a relation, what if the…
A: Arc implementation is considered as supertypes/subtypes data modelling. Like for an Event, it can be…
Q: Design: An (ER) and (relational Diagram) by showing as I am an owner of a car rental company…
A: Answer :
Q: List all nontrivial functional dependencies satisfied by the relation of Figure7.18.
A: Given: List all nontrivial functional dependencies satisfied by the relation of Figure7.18.
Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age, cno,…
A: Given dependencies are: A -> B, CC -> FD -> E Given relation: R(A, B, C, D, E, F) Since…
Q: The "Annual_Sal" attribute in the "BOOK" Entity type is considered as:
A: ER diagram is also called as the Entity Relationship diagram. In the above ER diagram BOOK is the…
Q: Build an entity-relationship diagram, deriving relations and validating relations using…
A: entity-relationship diagram
Q: Q2- What is a composite entity, and when is it used?
A: Entity – Entities are actual world items that structure the essential locks around which the entire…
Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age, cno,…
A: Given:
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: Deacribe relationship between primary key of a relation and the functional dependencies among all…
A: To be determine: Describe relationship between primary key of a relation and the functional…
Q: 8 Which of the following relationships models the following statement: "My friends have nice cars" *…
A: To Do: To identify the relation.
Q: xplain the code below in a step-by-step manner. Also explain what the two join statements intend to…
A: emp = [(1,"Smith",-1,"2018","10","M",3000), \ (2,"Rose",1,"2010","20","M",4000), \…
Q: 1. Create an entity named Doctor and Patient and create a one-to-many mapping using JPA. Doctor id…
A: Answer: I have given answered in the handwritten format in brief explanation
Q: The "Title" attribute in "BOOK" Entity Type is considered as: Main Sub
A: Here the attribute is further divided as Main and Sub.
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: en Entity and ent
A: An entity cluster is a "virtual" entity type that is used in the ERD to represent multiple entities…
Q: Define the connection between a relation's main key and the functional relationships between all of…
A: Introduction: As the name implies, a functional relationship expresses the influence of one variable…
Q: What happens if a super set object doesn't have a UID when using the arc implementation to turn it…
A: INTRODUCTION:
Q: It is requested to draw an entity relationship diagr Information about the subject are given below.…
A: ER Diagram represents Entity Relationship Diagram It shows the relationship of element sets put away…
Q: Briefly explain the hybrid entities
A: I'm providing you the answer of the above question. I hope this will help you.
Q: Create an entity named country and capital and create a one-to-one mapping using JPA. COUNTRY…
A: Create an entity country and capital and create a one-to-one mapping using JPA. Write a main program…
Q: STION 9 is used to represent the M: N relationships between two or more entities. A Mandatory B.…
A: M:N relationship: Relationships helps to connect the related information between the tables. They…
Q: Given the following relation that stores details of employees and their projects: ProjectID…
A: ProjectID --> EmployeeName : False Since when ProjectID repeats, value of EmployeeName is not…
Q: Create ER duagram of the foloowing information and also find entity identification, Rekationship…
A: For the given scenario the ER diagram has…
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.
Q: 3.ProjectID , EmployeeName ➡ EmployeeSalary 4.EmployeeName ➡ EmployeeSalary 5.EmployeeSalary…
A: Given the following relation that stores details of employees and their projects: If the…
Q: An entity that depends on an other entity to exist is called ________ entity. Derived…
A: An entity is an object that exists. In database administration, an entity can be a single thing,…
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- 1. Create an entity named Employee and Dependent and create a one-to-many mapping using JPA. EMPLOYEE has DEPENDENT (0,N (1,1) EMP NUM EMP LNAME EMP FNAME EMP_INITIAL EMP DOB EMP_HIREDATE EMP NUM DEP NUM DEP FNAME DEP DOB Write a main program to assign values to the Employee and Dependent entity using entity manager instance.1. Create an entity named Doctor and Patient and create a one-to-many mapping using JPA. Doctor_id Patient_id Qualifica Contact_ Salary Age no tion n Doctor treats Patient Name P_Name Address Write a main program to assign values to the Doctor and Patient entity using entity manager instance.2- Design a class diagram of a course registration system. Note: utilize various class relations: generalization, aggregation, composition, and association; the class diagram should include but not be limited to the following class names User, Student, Instructor, Admin, Course, LogonPage, AddPage, DropPage, ChangePage, PrintPage, QueryPage, CoursenfoDB, StudentInfoDB, InstructorinfoDB, AdmintnfoDB, and EntireDB.
- Examine the following entity relationship diagram, and select all statements that correctly describe this diagram. PHOTOGRAPHER PK PHOTOGRAPHER ID FIRST_NAME LAST_NAME ++ uses PK +PK,FK1 CAMERA MODEL NR PHOTOGRAPHER ID DESCRIPTION a. The CAMERA entity has a composite primary key. Ob. The existence of each CAMERA instance depends upon the existence of a PHOTOGRAPHER instance. c. Each CAMERA instance is associated with exactly one PHOTOGRAPHER instance. d. A PHOTOGRAPHER uses one or more CAMERAS. e. Both PHOTOGRAPHER and CAMERA are strong entities.2- Design a class diagram of a course registration system. Note: utilize various class relations: generalization, aggregation, composition, and association; the class diagram should include but not be limited 10 the following class names User, Student, Instructor, Admin, Course, LogonPage, AddPage, DropPage, ChangePage, PrintPage, QueryPage, CourselnfoDB, StudentinfoDB, InstructorinfoDB, AdminlnfoDB, and EntireDB.Create an entity named country and capital and create a one-to-one mapping using JPA. |САPITAL Capital Name Capital_Population COUNTRY Country_Name Country_Population Capital Name Write a main program to assign values to the country and capital entity using entity manager instance.
- Draw a use case diagram based on the case study given below.Your diagram should contain at least 3actors, 8 use cases, and 2 include and 2 extend relationships. Write an algorithm on how to withdraw money from an ATM. Shopping Made Easy System A customer uses Shopping Made Easy System for online shopping. System requires the customer to sign up and sign in to be able to interact with the system. Customer registration is verified by the administration. A customer may use the portal as a guest without signing up but is only able to view catalogues in case of a guest. A customer can manage his/her account which involves signup/sign in and profile management. A customer can browse through catalogues to view different products; customer can also search for a specific catalogue by name or code number. Customer can view the products and can log out without buying. Another main feature of the system is Shopping cart management. Customer can add or remove items in cart. Customer can…4. Sequence Model: a. A sequence diagram is useful for what purpose? b. b. Create a scenario in the proper format for a sequence of events that occur during the execution of a travel agency system, such as for a use case, c. Create a sequence diagram for a session with the travel agency system, |An 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.
- Generalization is Select one: O a. The process of giving an entity special attributes O b. The process of defining a super class for several entities O c. The process of defining subclasses for an entity O d. The process of defining a normal class for several entitiesGenerate an Activity UMLdiagram that starts with the customer connecting with the web site and ends with the order available for pickup or ready for delivery. This should be a very focused and specific UML Activity diagram. Note that the workers will also interact with the process at some point - identify the step or steps where the workers interact with the system. The activity diagram must contain a minimum of 15 elements. *** Number each element of the activity diagram. ***Q1: The following Component Diagram has some errors circle the error and draw the correct diagram: Student Registeration Database Examination Graduation Admin