FIGURE 3-13 Entity clustering for Pine Valley Furniture Company (a) Possible entity clusters (using Microsoft Visio) CUSTOMER CUSTOMER SELLING UNIT SALESPERSON Customer Type National? Regular? Submits Customer Type Serves SALES TERRITORY DOES BUSINESS IN REGULAR CUSTOMER NATIONAL CUSTOMER Account Manager PRODUCT LINE ORDER ITEM SALE Includes VENDOR HITEM PRODUCT ORDER LINE SUPPLIER USES PRODUCED IN Contract Number MATERIAL SUPPLIES RAW MATERIAL. WORK CENTER EMPLOYEE WORKS IN SKILL HAS SKILL Employee Type d) Employee Type "M" "U" UNION EMPLOYEE MANAGEMENT EMPLOYEE MANUFACTURING Supervises
Q: Construct an Entity Relationship Diagram (ERD) in Crow’s Foot Notation for the following Nationwide…
A: answer is
Q: Q 4: Is there a need of creating an Associative Entity? If so, draw one. If not, then suggest why?…
A: There are 3 entities in the given ER-diagram Vendor Warehouse Part Shipping_mode and Unit_cost…
Q: Display in product ID order the product ID and total amount ordered of that product by the customer…
A: SQL queryDerived table:Derived table is a table that is used to create a temporary table that is…
Q: Based on the above ER diagram, which of the following entity set cardinalities is valid? Group of…
A: Let us see the answer:-
Q: Ql: Considering the following E-R ATM diagram: A. Transform this E-R diagram into a set of 3NF…
A: Hey there, I am writing the required solution of the above stated question.Please do find the…
Q: Q.No.1.a. Draw ER- notation for the given elements of ER-Model. Entities Strong Entity Weak Entity…
A: Note: The solutions of the first three subparts of question 1 are shown below. Please repost the…
Q: you will need to create an entity relation (E-R) diagram using the Crow's foot symbols that models…
A: IN this E_R diagram some entity and his attribute and data store and his relationship symbol was…
Q: Given these business rules, create the Entity Relationship Diagram, include relationships and…
A: Entity-Relationship (ER) diagram:Entity-Relationship (ER) diagram is used to explain the logical…
Q: Consider the ERM below: Consider the following ER Model. Suppose that the entity set S contains 15…
A: Here from entity W there is a double line. This means the participation is full. That is every…
Q: Explain why entity clustering is necessary
A: Entity clustering is a technique that provide a concept of entity clusters in database design. The…
Q: Based on the set of 3NF relations derived in (b), draw a complete entity relationship diagram (ERD)…
A: Employee Record ( Name, Emp Number, Address, DOB) Course Attended ( Number, Description, Location,…
Q: Draw an Entity Relationship Diagram for all of those below. Draw an ER diagram to represent…
A: Note: As per our guidelines I am solving Ques 1 for you. Kindly repost other questions separately.…
Q: Using the ERD diagram above, explain what would happen if the minimal cardinality was changed to “1”…
A: Item and Raw Material have a one-to-many relationship. That means one item can have any number of…
Q: Draw an Entity relationship diagram (ER) for a university according to the following rules: ‐ For…
A: ER Diagram: An ER diagram shows the relationship among entity sets. An entity set is a group of…
Q: 1. Which of the following represents an iterative process of systems development in which…
A: As per guidelines we are suppose to answer 1st question Prototyping is an exploratory cycle where…
Q: For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2),…
A: In a relational database, a weak entity is an entity that cannot be uniquely identified by its…
Q: Create an Entity Relationship Diagram using the following scenario: A restaurant chain has several…
A: According to the given information :- We have to create an Entity Relationship Diagram. Entities…
Q: Based on the class diagram given below answer the following questions. Course |teaches Professor…
A: The answer is
Q: phone EMP-DEP SUPP- SUPPLIER EROJ-PART composing DEPENDANT COMPONENT PART compobed-of type…
A: Q1. Entity which are represented by solid rectangle boxes are strong entity. Strong entity have…
Q: Iam working on creating a logical entity relationship diagram for my database class. I am wondering…
A: Project: Project Code (Primary Key), Project Manager, Project Budget. Department: Department No.…
Q: Data/Database Management system . Consider the ER diagram shown below. Supply the relationship…
A: An entity relationship diagram (ERD), otherwise called a substance relationship model, is a…
Q: According to the data model, is it required that every entity instance in the PRODUCT table be…
A: Database Management System(DBMS) is a software for storing and retrieving users data while…
Q: raw an Entity Relationship Diagram (ERD) representing the following business scenario and database…
A: This ER (Entity Relationship) Diagram represents the model of Elamo Automobile Repair Store and…
Q: Draw an entity relationship diagram ERD using unified modelling language UML nation according to the…
A: Lets see the solution.
Q: b. Consider the below Enhanced Entity relationship diagram and answer the following questions. PBox…
A: Since the complexity of data is growing, using the conventional ER model for database modeling is…
Q: . Refer to this entity-relationship diagram. How does this diagram depict a unattractive…
A: The solution is as follows
Q: Based on the class diagram given below answer the following questions. Course |teaches Professor…
A: According to the information given:- We have to define the primary and foreign key.
Q: Suppose that we have to create a database for a car dealership. Identify 2 entities How the…
A: An ER diagram is an entity relationship diagram, also known as an ERD, which displays the…
Q: Given the following Entity-Relationship diagram Address wirkwing 9 na pr mam quran BASED IN (LN)…
A: It helps to convert conceptual data model into a set of standard relationships Steps: Represent…
Q: Relational Model
A: Need to draw a Relational Model (Schema Diagram) of an automobile company with entities such as…
Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…
A: 1. Student can only one social Security number while a social Security number can belong to only one…
Q: Create an Entity Relationship diagram (ERD)
A: To draw a ER diagram for the given scenarios A division operates many departments, but each…
Q: C1. “Nomadic Desert Camp, Oman" requires an Information System to maintain the details of the…
A:
Q: A customer can make many payments, but each payment is made by only one customer.” Use this scenario…
A: ERD MODEL: An ER model or entity relationship model is a data representation model that is used to…
Q: Draw an entity diagram diagram for a car rental business
A: ENTITY Notation : ATTRIBUTE Notation : RELATION Notation :
Q: Figure 2-26 shows a grade report that is mailed to students at the end of each semester. Prepare an…
A: Entity Relationship diagram for Grade report Entity-Relationship (E-R) diagram: • Entity…
Q: HW For the following business case, you need to design a data warehouse logical model (dimensional…
A: A Data warehouse logical data model describes model in more detail compared to the Data Warehouse…
Q: Entity relationships, connecting with a linked entity. Primary Key (PK) Sales Person Product Part…
A: Following are the tables for mysql for above ERD.
Q: A construction company has many branches spread all over the country. The company has two types of…
A: I'm providing the answer of the above question. I hope this will help.
Q: Qn 4: Draw an ERD using the following scenario: Prepare an Entity Relationship Diagram (ERD) showing…
A: Draw ER-diagram for the given information about Database.
Q: 13. Refer to the following ERD, the foreign key is placed in these entities: [select all that apply)…
A: To find the solution from the given ERD
Q: Draw Entity Relationship Diagram (ERD) and Class Diagram for the following scenarios: Shaza Holding…
A: The given is a scenario to stop the details of car workshop where the services are provided to the…
Q: for the following entities and relationships: Customer, Order, Product, ProductDepartment. One…
A: Database: The database is used to store the data in a structured and organized way so that it would…
Q: C1. “Nomadic Desert Camp, Oman" requires an Information System to maintain the details of the…
A: 1) A Customer can book 1 or more amusements. 2) There are different types of amusements available…
Q: Applying your knowledge in Enhanced Entity Relationship modeling, Develop an EER model for the…
A: Answer: We will draw our EER model for the given situation, using the traditional EER notation or…
Q: Q.No.2 Contrast among the following a) Generalization; Specialization b) Entity type ;Entity…
A: There are multiple parts in a question so we will provide you the answer of first three parts.…
Q: Draw an entity diagram diagram for a car rental business identifying primary and foreign keys with…
A: E-R Diagram : Given : Customer - Customer_ID (pk), Cust_Title, FirstName, LastName, DoB, Telephone,…
Q: Draw the Enhanced Entity–Relationship (EER) model and the relational schema for the case study…
A: Answer: There are total 6 Entities which are: Entities: branch, supervisor, staff, member, rent,…
Q: Cl. "Nomadic Desert Camp, Oman" requires an Information System to maintain the details of the…
A: Entity relationship diagram (ERD) has been drawn to comply with the given requirements and the…
Q: Use ER Assistant to draw your diagram. Transform the following M-N relationship into an associative…
A: ERD: ERD stands for Entity Relationship Diagram. This is a diagram which is used to show the…
Display the customer names of all customers who have ordered (on the same or different orders) both products with IDs 3 and 4.
Step by step
Solved in 2 steps
- Develop ERD (Entity Relationship Diagram) for one of the following two scenarios. NOTE: No further details were provided by the professor. The diagram can be drawn by hand also if preferred. Option1: A customer who goes to a grocery shop generates one invoice each time s/he goes to the grocery. Customer data to capture includes ID, FirstName, LastName, City, State, CreditLimit. An invoice should capture the data on InvoiceID, SaleDate, SalesPerson, and Amount. Provide a conceptual ERD for this transaction scenario. Option 2: One sports team consists of many players, and one player can belong to one sports team at a time. Sports team data should have TeamID, TeamName, CoachName, memberNumbers, City, State, owner, TeamValue. Each player can be represented with PID, Name, Address, PhoneNo, Position, weight, height, Value, and Scores. Provide a conceptual ERD to develop a database.Prepare an entity relationship diagram for the revenuecycle that includes entities, cardinalities, andreflects the following business rules:• Customers place many orders during the period• Each sales order consists of one or more line itemsof inventory.• Customers are billed twice a month for the purchasesthat they made during the period.• Customers make payments once a month to settletheir accounts.Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notationaccording to the below business rules. Your design should be at the logical level – include primaryand foreign key fields and remember to remove any many‐to‐many relationships. Business rules for a horse‐riding competition:1. All entities should have surrogate primary keys.2. Each rider may only represent a single club, but each club may enter many riders into thecompetition.3. The name of each club must be recorded in the database.4. The name and surname of each rider must be recorded in the database.5. Each rider may only ride one horse, and every horse may only have one rider.6. The name of each horse must be recorded in the database.7. A horse may compete in multiple different events, and each event will have many horsesthat compete in it.8. The name of each event must be stored in the database
- Draw an Entity relationship diagram (ER) for a university according to the following rules: ‐ For each student the university needs to keep track of: first name, last name, student id, address, phone no and their major. ‐ The student id is identical for each ‐ Each course has a number, name and credit. The course number is unique for each course. ‐ Each department has a name, code and The code is unique for each department. ‐ Each course may has one or more sections where each section is belong to only one ‐ A department offers one or many 7-‐ Some courses have perquisite courses. 8-‐ Each student could register in one or more courses. In your diagram you need to show the following: 1-‐ The primary key for each entity. 2-‐ The cardinality and participation between entities.which relationship or association is depicited in the following entity relationship (ER) diagram? Salesperson sales Product a) Uniary b) One to many c) Associative Entity d) Intersection DtaCreate an ER Diagram for an Bank. Identify atleast 5 entity in the ER Diagram Identify atleast one weak entity. Identify atleast 3 attributes for each entity. Identify atleast one attribute that is: Composite Multivalued attribute Derived attribute Represent all the key(primary) attributes by suitable notations/symbol. Represent the Cardinality and Modality using Crow’s foot notation. Identify atleast one specialization/generalization.
- create an Entity Relationship Diagram using the following Entities and their respective attritubes for an online programming competition registration for both leaners and university students. 1. Host it's attributes (host Id, hostFirstName,hostLastName, hostTelNum,hostEmail,hostPassword) 2. Student(StudentId, StudentfirstName, Student Email, StudentPassword, InstitutionName) 3. Learners(leaner Id, leanerFirstName, leanerLastName, leanerPassword, SchoolName) 4. Competition(compId, comName, compDate,comTime, compRules, compRequirements) 5. Qualified Student/Leaner (id, firstName, compId,email)Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Astronaut mission business rules:• Every entity must have a surrogate primary key.• An astronaut lives in a specific country, and many astronauts can be from the samecountry.• The name for each astronaut must be stored in the database.• The name for each country must be stored in the database.• An astronaut is assigned to a mission to perform a specific role on board a specific vehicle.• An astronaut and a vehicle can be assigned to multiple missions over time.• The start date and end date of each mission must be stored in the database.• The model and name of each vehicle must be stored in the database.• The description of each role must be stored in the database.Draw an entity relationship diagram ERD using unified modelling language UML nation according to the below business rules. your design should be logical level-including primary and foreign key fields and remember to remove any many-to-many relationships. 1. all entities should have surrogate primary keys. 2.A customer can place many orders over and over time and each order is placed by exactly one customer. 3.The name and surname of a customer must be stored in the database 4.The date and status of an order must be stored in the database 5.Each order cab obtain many items and each item can be part of many different orders 6.The name description and unit price of every item must be stored in the database 7.When an item is added to an order, the quality ordered and the unit price of thr item must be stored 8.Each item in the database belongs to a catagory and a catagory has many items that belong to it 9.The name of each of the categories must be stored in the database
- Perform given tasks on Case study Q-Find entity Attribute and primary key, also draw Entity diagram? Case study: In a college we have students, department, teachers and courses. A student has name registration No and address. A teacher has name NIC and qualification. A department is known by its name e.g. CSIT, and have a HOD name , Num of students and Floor No. A course is identified by its Code. Course also has name and level of degree. A student must enroll (roll no and Semester as relationship attribute) in any one department. A department can have many students. The teacher is assigned class (time and day as attribute) in more than one department. A department has many teachers. A student can study up-to 5 courses by a teacher in given classroom number.Construct an Entity Relationship Diagram (ERD) in Crow’s Foot Notation for the following Nationwide City Express shipping system. Be certain to indicate identifiers and cardinality constraints. You may state any assumptions that you make. Nationwide City Express (NCE) prides itself on having up-to-date information on the processing and current location of each shipped item. To do this, NCE relies on a company-wide information system. Shipped items are the heart of the NCE product tracking information system. Shipped items can be characterized by item number (unique), weight, dimensions, insurance amount, destination, and final delivery date. Shipped items are received into the NCE system at a single retail center. Retail centers are characterized by their type, uniqueID, and address. Shipped items make their way to their destination via one or more standard NCE transportation events (i.e., flights, truck deliveries). These transportation events are characterized by a unique…Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level – include primary and foreign key fields and remember to remove any many-to-many relationships. Business rules for hairdressers: 1. All entities should have surrogate primary keys. 2. Each hairdresser can work at multiple different salons over time, and every salon employs many different hairdressers. 3. The job title of a hairdresser at a specific salon must be stored in the database. 4. The name and surname of each hairdresser must be stored in the database. 5. The name of each salon must be stored in the database. 6. Every hairdresser is certified to have several different skills, and each skill can be mastered by many different hairdressers. 7. The name of each skill must be stored in the database. 8. The date that a specific hairdresser was certified to have a specific skill must be stored in the database.