Design an E/R Diagram for an online video rental company The company has data about movies, customers, rentals, reviewers, reviews. A Movie has a Title (key), Year, and Duration. A Customer has Name, Email (key), and Credit. Customers rent movies; customers may rent many movies, and a movie may be rented by many customers; each Rental has a Date. A Reviewer is a Customer, and has a Reputation attribute A Review has a Rating, a Date, and Text (content). Each review is uniquely identified by the movie it is reviewing, and by the reviewer who wrote it.

Q: Name: Make Appointment Patient/Office Staff Describes the process used to make an appointment 1.…

A: Here, we have to draw use case diagram. Use case diagram is as follows:-

Q: Design ER diagram (database) for blog aplication. note: not html or php ER diagram (database) must…

A: Here we have given an ER diagram based on the admin and user view. you can find it in step 2.

Q: Explain entity-relationship (ER) diagrams.

A: Please find the detailed answer in the following steps.

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: How should information be gathered and set up before it is entered?

A: Before information is inserted into a system, it should be properly gathered to guarantee accuracy…

Q: me and part-time employees currently working in his business. In the Lilydale location, there is and…

A: Answer is given below. Answer is given in the second step

Q: distinguish between relationship types and relationship instances

A: Relationship type: This expresses a type of relationship that is occurring between the entities and…

Q: Create Entity Relational Diagram for Employee, Customer, Sales transaction, product, sales item…

A: Lets see the solution.

Q: Product is the specific item or service a company is selling such as quality, design, features,…

A: The statement is asking if a product is the specific item or service a company is selling, including…

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: Entity Relationship Diagram of the business, as shown in the case.  Completely and correctly specify…

A: The given problem has given the system description for order management where the requirement is to…

Q: TEAM DRIVER Belongs To He Team ID Team Name Team Manager Driver ID Driver Age Driver Name Convert…

A: Solution is given below :

Q: School system scenario Students come at the beginning of the school year to register in a school…

A:

Q: Draw ERD and Map to Relations Map the ERD you have created to relations including all keys (PKs and…

A: ERD Diagram and Map to Relations:- A system's various entities and their relationships to one…

Q: ENHANCE ENTITY RELATIOSHIP DIAGRAM The entity type PERSON has the following attributes: SSN, name,…

A: Note: As you have asked a multipart question, as per our policy, we will solve the first three parts…

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: Contrast the terms catalog; schema

A: Answer: Common points between catalog and schema: Catalogs and schemas are "namespaces" that user…

Q: Please describe what an entity-relationship model is as well as how it operates.

A: Definition: Models of entity relationships are based on the relationships between entities in the…

Q: A property that specifies the nature of an entity is called an attribute

A: In the real world, an entity is a "thing" or an "object" that can be recognized from all other…

Q: Differentiate attribute and tuple Differentiate primary key and foreign key

A: The database is the set or collection of the related tables in such a way that data stored in tables…

Q: Create a Process Flow diagram/chart based on the following: Customer Places Order: The customer…

A: Process Flow Diagram for Stock TradingStartCustomerPlace OrderInstrument, Quantity, and Order…

Q: There are a number of potential difficulties that can arise when a relationship is split vertically.

A: Introduction: When a marriage dissolves, the PRA presumes that both parties, even if they made…

Q: Database and design ERD diagram with notions Attached is the requirements in the first photo and I…

A:

Q: Assign code(s) to a patient who received critical care services for a total of 210 minutes on July…

A: Answer is in Step 2.

Q: ERD and Keys A contractor’s main entities are its customers, employees, projects, and equipment. A…

A: The entities used in ER Diagram are: CUSTOMER EMPLOYEE EQUIPMENTS PROJECT The attributes for the…

Q: Design: An (ER) and (relational Diagram) by showing as I am an owner of a car rental company…

A: Answer :

Q: Define data repository. What things will be included in the data repository.

A: 1) Data repositories are crucial in research, science, and various industries where data sharing,…

Q: Modify the following system sequence diagram to reflect the following: 1)The sales clerk can add…

A: System Sequence diagram is a diagram that highlight the time of sequence of messages. It shows a…

Q: Database Design Sales Management System (SMS) manages the sales relevant data, including customer,…

A: Database Design A group of procedures known as database design makes it easier to create,…

Q: When a prospective student wants to obtain more information about an educational institution and the…

A: Given: When a prospective student wants to obtain more information about an educational…

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: Design the Use Case Diagram (contains at least 10 use cases)

A: The given problem is related to the restaurant management system and the requirement is to make the…

Q: Explain entity-relationship models and how they function.

A: Entity-relationship (ER) models are a graphical representation of entities and their relationships…

Q: Use the information below and create a use case diagram. Make Appointment Patient/Office Staff…

A: Use Case Diagram: In UML the Use case diagram is used to represent the functionality of the…

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: Create a possible data flow diagram for a gym membership registration process

A: What is the purpose of the Data flow Diagram: A data flow diagram (DFD) maps out the flow of…

Q: Design databases only contain data about the spatial data of the design.  True  False

A: Actually, A Database design is the organization of data according to a database model.

Fundamentals of Managing Data

Data management is creating, organizing, storing and managing the data collected and created by any organization.Effective data management is a crucial part of today's world. Data management provides analytical information on the vast amount of data collected from business applications daily, which helps make critical business decisions and plan and bring out the best strategies.