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...
-
On February 1, 2015, Davis Corporation issued 12%, $1,000,000 par, 10-year bonds for $1,117,000. Davis reacquired all of these bonds at 102% of par, plus accrued interest, on May 1, 2018, and retired...
-
A centrifugal fan operating in a duct has the dimensionless parameters \[ C_{Q}=\frac{Q}{\omega D^{3}} \quad \text { and } \quad C_{H}=\frac{\Delta p}{ho \omega^{2} D^{2}} \] where \(C_{Q}\) is a...
-
Graymont Industries purchases Solvate, a chemical compound used in several of its products, from ChemMaster. ChemMaster has just increased the list price of Solvate to $6.50 per gallon. However,...
-
Examine how projects generate revenues, expenses, and uses of cash. Discuss how an income statement and a cash flow statement can be used within managing a project. Describe any current reports used...
-
Build a data table in G21:AB42 that shows what 2021 EPS would be based on the revenue growth rate and cost of goods sold / revenue assumptions listed in Table 1. Input the revenue growth rate...
-
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?
-
If you pay $32,000 for a 5-year zero coupon bond with a face value of $40,000, what is your annual compound rate of return? Refer to zero coupon bonds. A zero coupon bond is a bond that is sold now...
-
Andy Bailey recently graduated from the University of MF and is joining the Bank of MF as a financial analyst. He is assigned to conduct relative valuation to determine if the implied stock price per...
-
Suppose that a two-factor (Factor X and Factor Y) model describes the return generating processes of all securities in the market and that the corresponding APT model correctly calculates the...
-
1. Consider the market for some good produced by a competitive industry. The market begins in equilibrium. a. At the initial equilibrium price and quantity, what are consumer surplus, producer...
-
I hired a carpenter and an apprentice to do some work at my business. They worked two days. On the first day I was billed $210 for 11 hours of work by the main carpenter and for 7 hours of work by...
-
Using the information on the attached sheet for Windswept, Inc., prepare in good form a Sources and Uses of Funds Statement and a Cash Reconciliation along with any required sub schedules for the...
-
Suppose the factorization below is an SVD of a matrix A, with the entries in U and V rounded to two decimal places. a. What is the rank of A?b. Use this decomposition of A, with no calculations, to...
-
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.
-
Do you envision the business as starting by targeting specific needs of a single target community (e.g. the target is San Francisco), targeting specific needs of a similar set of communities (e.g....
-
Define social media. ( 20 points ) How has social media changed the way marketers and consumers communicate with one another? Explain the implications for marketers. Describe how marketing managers...
-
Find an article or video offering advice on choosing the best financing option for a business. Answer the following questions: Which types of financing did they discuss? What advice did they offer?...
Study smarter with the SolutionInn App