Question: This exercise is from my Discrete Mathematic Class under Chapter 5 Relations and Database EXERCISES 5.3 Exercises 1-4 refer to the Person, Pet, and Petowner

This exercise is from my Discrete Mathematic Class under Chapter 5 "Relations and Database"

This exercise is from my Discrete Mathematic Class under Chapter 5 "Relations

EXERCISES 5.3 Exercises 1-4 refer to the Person, Pet, and Petowner relations of Examples 20 and 22 1. Consider the following operation: Restrict Pet where PetType "Cat" giving Kitties a. Write a query in English that would result in the information contained in Kitties. b. What is the cardinality of the relation obtained by performing this operation? c. Write an SQL query to obtain this information. 2. Consider the following operation: Project Person over (Name, City, State) giving Census a. Write a query in English that would result in the information contained in Census. b. What is the degree of the relation obtained by performing this operation? c. Write an SQL query to obtain this information

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!