Question

Use the following business rules to create a Crow’s Foot ERD. Write all appropriate connectivities and...

Use the following business rules to create a Crow’s Foot ERD. Write all appropriate connectivities and cardinalities in the ERD.

● A user writes many reviews, but each review is written by one user.

● A user is not required to write a review.

● A review is about only one movie.

● A movie may have zero or more reviews.

● A movie has a genre. Many movies may have the same genre.

● A user has a first name and last name.

● A review has a date and time, and it is related to a movie.

● A movie has a title, year, and a genre.

● A genre has a name.

Engineering   Computer-Science   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Draw the Crow’s Foot database notation entity-relationship diagrams (ERD) to represent the databases, based on the...
Draw the Crow’s Foot database notation entity-relationship diagrams (ERD) to represent the databases, based on the three narratives below. Use Lucid Chart or another ERD diagramming tool to create your diagram. You do not need to create the databases, but to design it using applicable business rules according to your judgment. Submit a PDF of the Entity Relationship Diagram for each database. Remember to identify in your diagrams: All the main entities and the main attributes for each entity The...
Given the following business rules, create an entity relationship diagram. A booking is placed for one...
Given the following business rules, create an entity relationship diagram. A booking is placed for one or more travelers. e.g. A mom may place a booking for herself and her two kids. A traveler may place many bookings. e.g. you may place many bookings over the years. Requirements: draw the ERD with crow-foot notation Provide at least two attributes for each entity identify the PK for each entity Label the FK for each entity determine the relationship type with the...
Please create an ERD with the following entities. User the following to setup the relationships:There are...
Please create an ERD with the following entities. User the following to setup the relationships:There are multiple stores, each store has multiple products, some products are not available at all stores. Each employee is assigned to work at one and only one store, each store has multiple employees. Use LucidChart and symbols (one and only one, at least one, zero to many, or zero and more) Product: product_id, product name, product description, price Store: store_id, store phone, store address Employee:...
Use Microsoft Visio Use IE (crow’s foot) notation Dormitory Administration System You are designing a dormitory...
Use Microsoft Visio Use IE (crow’s foot) notation Dormitory Administration System You are designing a dormitory administration system. The university has several dorms, each has many rooms. A dorm is identified by its dorm ID. Besides, a dorm has a dorm name, street address, city, state, and zipcode. Each room is identified by a combination of dorm ID and room number. Besides, a room has number of beds, and monthly rent. The diagram should specify entities, identifiers, attributes, relationship types...
Part B: Data Modelling (10 Marks) Create a complete ERD in Crow’s Foot notation that can...
Part B: Data Modelling Create a complete ERD in Crow’s Foot notation that can be implemented in the relational model using the following description of operations. Hot Water(HW) is a small start-up company that sells spas. HW does not carry any stock. A few spas are set up in a simple warehouse so customers can see some of the models available, but any products sold must be ordered at the time of the sale. · HW can get spas from...
Write the following questions as queries in SQL. Use only the operators discussed in class (in...
Write the following questions as queries in SQL. Use only the operators discussed in class (in particular, no outer joins or windows). Type your answers. Before starting, make sure you understand the schema of the database. If you are in doubt about it, please ask the instructor. Assume a database with schema ACTOR(name,age,address,nationality) MOVIE(title,year,genre,budget,director-name,studio) APPEARS(name,title,salary) 1. Find the title, director and studio of the most expensive movie of 2010 (note: there can be ties!). 2. Find the title, director and...
Create an ERD diagram from the following problem: The Busy B Company wants to store data...
Create an ERD diagram from the following problem: The Busy B Company wants to store data about its employees’ skills. Each employee possesses one or more specific skills. In addition, several employees may have the same skill. The following facts need to be included in the database: 1. Employee name 2.Skill number 3.Skill name 4.Employee number 5. Date hired 6. Date of birth 7. Date skill acquired
Create an ERD for the Following: The H.I. Topi School of Business operates international business programs...
Create an ERD for the Following: The H.I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of 9,000 graduates in 1965. The school keeps track of each graduate’s student number, name when a student, country of birth, current country of citizenship, current name, current address, and the name of each major the student completed (each student has up to two majors). To maintain strong ties with its alumni, the...
CREATE AN ERD FOR THE CASE BELOW The county animal shelter has hired you to design...
CREATE AN ERD FOR THE CASE BELOW The county animal shelter has hired you to design a database to track the animals at the shelter along with the people who adopt them. You have worked with the staff at the shelter, analyzed how they perform the work now, performed user requirements gathering and you have created a DFD. Below you will find the description of the entities and attributes defined during this process. Animal: animal_id, species, breed, age, gender, size,...
***This is a complete question. Do not tag this as incomplete. Write SQL queries to the...
***This is a complete question. Do not tag this as incomplete. Write SQL queries to the below Relational Database. • Regarding the SQL queries: • Do not use SELECT * in any query. • Do not use any SQL features (including Nullif) that were not covered in this course. • Do not use subqueries IF joins can be used to answer a question. However, some questions may require the use of subqueries. The Movie Database Notes: TheaterNum, MovieNum, and ActorNum...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT