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: Explain entity-relationship (ER) diagrams.

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

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

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

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

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A:

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

A:

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A: Answer is in Step 2.

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

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

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

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

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.