Describe the relationship between mathematical relations and relations in the relational data model?
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 69% (13 reviews)
Let D 1 D 2 D n be n sets Their Cartesian product is defined as D 1 ...View the full answer
Answered By
Mugdha Sisodiya
My self Mugdha Sisodiya from Chhattisgarh India. I have completed my Bachelors degree in 2015 and My Master in Commerce degree in 2016. I am having expertise in Management, Cost and Finance Accounts. Further I have completed my Chartered Accountant and working as a Professional.
Since 2012 I am providing home tutions.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Database Systems A Practical Approach to Design Implementation and Management
ISBN: 978-0132943260
6th Edition Global
Authors: Thomas Connolly, Carolyn Begg
Question Posted:
Students also viewed these Computer Sciences questions
-
Describe the relationship between TPS and FAIS?
-
Describe the relationship between the database and DBMS.
-
Describe the relationship between columns that can be null and entity subtypes. Under what circumstances would these columns lead to more than one entity subtype?
-
A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude P. The instantaneous velocity of this car is proportional to : (a) t'P 0...
-
What rights do they get in exchange for taking more risk than creditors and preferred share-holders take? Most large Japanese corporations hold their annual shareholders meeting on the same day and...
-
National Service Company experienced the following accounting events during 2016: 1. Paid $4,000 cash for salary expense. 2. Borrowed $8,000 cash from State Bank. 3. Received $30,000 cash from the...
-
Rivers is the auditor for a manufacturing company with a balance sheet that includes the caption "Property, Plant, and Equipment." Management has asked Rivers if audit adjustments or...
-
Scandia Coat Company makes women's and men's coats. Both products require filler and lining material. The following planning information has been made available: Scandia Coat does not expect there to...
-
While scrolling through your favorite social media site, apicture of Philodendron ?a common houseplant?catchesyour eye. Your friend says about the photo, ?This houseplant and Iare best friends. It?s...
-
Creative auditing does not imply unethical behavior. Creativity and innovation are sometimes employed in conducting an audit. Discuss the reasons for this as well as offer an example, other than the...
-
Implement the above schema in one of the RDBMSs you currently use. Implement, where possible, the primary, alternate, and foreign keys, and appropriate relational integrity constraints.
-
Describe the differences between a relation and a relation schema. What is a relational database schema?
-
Design some simple self-replicating machines. CAUTION ROBOT VEHICLE
-
As shown in the Figure, in a vapor compression refrigeration cycle using R134a with 175 kW cooling capacity, the output of the evaporator is saturated vapor. The main compressor is isentropic and...
-
You are an investor who would like to create a combination by taking positions in THREE OPTIONS. The options available to you are shown on the table below. You would like the profit from this...
-
The purpose of this set of exercises is to provide examples of vector equations which result from balancing nutrients in a diet. Section 1.10 shows how use a vector equation to model a diet with a...
-
Flint Company leased equipment to Land Company for a ve-year period. Flint paid $9,393 for the equipment, which equals its current carrying value (with estimated useful life of ve years). The lease...
-
You work as a manager in the admission department of company. You were asked by your department head to present and analyze the qualifying test scores of 40 employees who are applying for 5-year...
-
A car and a truck leave towns 230 mi apart, traveling toward each other. The car travels 15 mph faster than the truck. They pass each other 2 hr later. What are their rates?
-
On April 29, 2015, Auk Corporation acquires 100% of the outstanding stock of Amazon Corporation (E & P of $750,000) for $1.2 million. Amazon has assets with a fair market value of $1.4 million (basis...
-
Consider the following proposed rule for functional dependencies: If and , then . Prove that this rule is not sound by showing a relation r that satisfies and , but does not satisfy .
-
Use Armstrongs axioms to prove the soundness of the union rule. Use the augmentation rule to show that, if , then . Apply the augmentation rule again, using , and then apply the transitivity rule.
-
Use Armstrongs axioms to prove the soundness of the decomposition rule.
-
The market risk premium is 16%, Treasury bills are yielding 1.9%, and Schiano Corp has a beta of 2.39, what is the required return for Schiano Corp? (Enter your response as a percentage with two...
-
1. What is the organ in the body that weighs just as much as the brain and is in some ways just as important to who we are? 2. What are some of the functions microbes perform in the body? 3. What...
-
In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression x ( t ) = 15.0 cos( 20.0 t ) where x is in centimeters and t is in seconds. (a)...
Study smarter with the SolutionInn App