The business rules for the MegaCo Corporation’s divisions are as follows: Each department has many employees but each employee works for only one department. Each department is managed by one employee and each employee can manage only one department at a time. Crow’s Foot ERD:

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This is a question that I have and would like someone who has experiences with scene graphs and entity component systems to answer.For context, I am currently implementing a game engine and currently I am debating on our current design.Our current design is we have a singular game component class that every component inherits from. Where we have components like SpriteRendererComponent, Mehs Component, etc. They inherit from this GameComponent class. The point of this is being able to have O(1) access to the scene to being able to modify components to attach more components with the idea of accessing those components to specific scene objects in a scene.Now, my question is what kinds of caveauts can this cause in terms of cache coherence? I am well aware that yes its O(1) and that is great but cache coherence is going to be really bad, but would like to know more explicit details and real-life examples such as write in RAM examples on how this is bad. A follow-up question that is part…

Answer 1

Expert Solution & Answer

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Expert Solution & Answer

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This is a question that I have and would like someone who has experiences with scene graphs and entity component systems to answer.For context, I am currently implementing a game engine and currently I am debating on our current design.Our current design is we have a singular game component class that every component inherits from. Where we have components like SpriteRendererComponent, Mehs Component, etc. They inherit from this GameComponent class. The point of this is being able to have O(1) access to the scene to being able to modify components to attach more components with the idea of accessing those components to specific scene objects in a scene.Now, my question is what kinds of caveauts can this cause in terms of cache coherence? I am well aware that yes its O(1) and that is great but cache coherence is going to be really bad, but would like to know more explicit details and real-life examples such as write in RAM examples on how this is bad. A follow-up question that is part…

Q4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) (10 Marks) I want a detailed explanation to understand the mechanism how it is Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less…

Q4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). (10 Marks) PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less than$20.00. f. Retrieve the names of customers who have not placed…

Answer 2

Expert Solution & Answer

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Expert Solution & Answer

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Answer 3

Expert Solution & Answer

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Expert Solution & Answer

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Answer 4

Expert Solution & Answer

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Expert Solution & Answer

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Answer 5

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Answer 6

Expert Solution & Answer

Answer 7

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Answer 8

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

Answer 9

Chapter 2, Problem 16P

(a)

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

Answer 10

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

Answer 11

(b)

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

Answer 12

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

Answer 13

(c)

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

Answer 14

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

Answer 15

(d)

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

Answer 16

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Answer 17

(e)

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Answer 18

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Answer 19

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Ch. 2 - Prob. 1RQ Ch. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQ Ch. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQ Ch. 2 - Prob. 7RQ Ch. 2 - Prob. 8RQ Ch. 2 - Prob. 9RQ Ch. 2 - Prob. 10RQ

The business rules for the MegaCo Corporation’s divisions are as follows: Each department has many employees but each employee works for only one department. Each department is managed by one employee and each employee can manage only one department at a time. Crow’s Foot ERD:

Concept explainers

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

Explanation of Solution

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD:

Chapter 2 Solutions

The business rules for the MegaCo Corporation’s divisions are as follows: Each department has many employees but each employee works for only one department. Each department is managed by one employee and each employee can manage only one department at a time. Crow’s Foot ERD:

Concept explainers

Explanation of Solution

The business rules for the MegaCo Corporation’s divisions are as follows: Each department has many employees but each employee works for only one department. Each department is managed by one employee and each employee can manage only one department at a time. Crow’s Foot ERD:

Explanation of Solution

The business rules can be written as follows. A customer can download many e-books from Books Online and each of the books can be downloaded by many customers. Crow’s Foot ERD:

Explanation of Solution

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner. Crow’s Foot ERD:

Explanation of Solution

The business rule for “KwikTite” Corporation is as follows. Each factory is located in a region and each region can be a home for many factories. Each factory employs many employees but each employee is employed by only one factory. Crow’s Foot ERD:

Explanation of Solution

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees. Crow’s Foot ERD:

Chapter 2 Solutions

The business rules for the MegaCo Corporation’s divisions are as follows:

Each department has many employees but each employee works for only one department.

Each department is managed by one employee and each employee can manage only one department at a time.

Crow’s Foot ERD:

The business rules can be written as follows.

A customer can download many e-books from Books Online and each of the books can be downloaded by many customers.

Crow’s Foot ERD:

The business rule is an airline can be assigned to fly many flights but each flight is flown by only one airliner.

Crow’s Foot ERD:

The business rule for “KwikTite” Corporation is as follows.

Each factory is located in a region and each region can be a home for many factories.

Each factory employs many employees but each employee is employed by only one factory.

Crow’s Foot ERD:

The business rule is an employee may have earned many degrees and each degree may have been earned by many employees.

Crow’s Foot ERD: