How are primary and foreign keys different?
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (15 reviews)
A primary key is a field that uniquely identifies a record in a r...View the full answer
Answered By
Muhammad Khurram
I have strong General Management skills to apply in your projects. Over last 3 years, I have acquired great knowledge of Accounting, Auditing, Microsoft Excel, Microsoft PowerPoint, Finance, Microsoft Project, Taxation, Strategic Management, Human Resource, Financial Planning, Business Planning, Microsoft Word, International Business, Entrepreneurship, General Management, Business Mathematics, Advertising, Marketing, Supply Chain, and E-commerce. I can guarantee professional services with accuracy.
4.80+
249+ Reviews
407+ Question Solved
Related Book For
Management Information Systems for the Information Age
ISBN: 978-0073376851
9th edition
Authors: Stephen Haag, Maeve Cummings
Question Posted:
Students also viewed these Computer Sciences questions
-
Map the EER diagram you developed in Chapter 3, 3-44 to a relational schema using the techniques described in this chapter. Be sure to appropriately identify the primary and foreign keys as well as...
-
Each computer may have more than one operating system, and each operating system may be installed on more than one computer. Add an associative entity called COMPUTER OPERATING SYSTEM between...
-
Now for each of the documents created above, create an appropriate DTD and XML Schema. Use namespaces where appropriate to reuse common declarations. Try to model multiplicity, primary and foreign...
-
Consider the problem of making change for n cents using the fewest number of coins. Assume that each coin's value is an integer. 2. Suppose that the available coins are in the denominations that are...
-
Restate persuasively each of the following issues. Each issue should be redrafted twicepersuasively from the view of the opposing sides. A. Under the provisions of the exclusionary rule, should...
-
A twirler's baton is made of a slender metal cylinder of mass M and length L. Each end has a rubber cap of mass m, and you can accurately treat each cap as a particle in this problem. Find the total...
-
Why does a booming economy not carry on booming indefinitely. Why does an economy in recession pull out of that recession?
-
The trial balance for Benner Hair Salon on March 31 is as follows: Data for month- end adjustments are as follows: a. Expired or used- up insurance, $ 300. b. Depreciation expense on equipment, $...
-
Given are the following data for year 1: Net income $60 million; Depreciation = $21 million; Investment in fixed assets= $15 million; Investment in working capital = $7 million. Calculate the free...
-
Let H- be a parity check matrix, determine the (3,6) group code, 00 B*.
-
What is online analytical processing (OLAP)?
-
What are the five software components of a database management system?
-
For each of the cases in problem 7.25 determine if a heat pump satisfies the first law (energy equation) and if it violates the second law. a. b. c. d. = 6 kW, W = 2 kW Q = 4 kW, W= 2 kW Q
-
Efficient Markets Since 2005, all publicly listed European companies follow International Accounting Standards. This means that financial statements are based largely on market values instead of...
-
Suppose the spot and 3-month forward rates for the Indian rupee are R68.81/ and R61.8/, respectively. (a) Is the rupee expected to get stronger or weaker? (b) What would you estimate is the...
-
Vedant plc disburses cheques every 2 weeks that average 370,000 and take 7 days to clear. How much interest can the company earn annually if it delays transfer of funds from an interest-bearing...
-
Explain what is meant by correlation and how it is used to measure the relationship between the returns on two securities. How is correlation related to variance and covariance? Use mathematical...
-
Suppose the spot exchange rate for the South African rand is R15/ and the 6-month forward rate is R16/. (a) Which is worth more, the British pound or South African rand? (b) Assuming absolute PPP...
-
a. Find the open intervals on which the function is increasing and decreasing. b. Identify the functions local and absolute extreme values, if any, saying where they occur. zx - 8^x = (x)8 8.
-
Explain why it is not wise to accept a null hypothesis.
-
Suppose you are a manager being asked to develop computer-based applications to gain a competitive advantage in an important market for your company. What reservations might you have about doing so?...
-
How could a business use information technology to increase switching costs and lock in its customers and suppliers? Use business examples to support your answers.
-
How could a business leverage its investment in information technology to build strategic IT capabilities that serve as a barrier to new entrants into its markets?
-
We observe the trait of face freckles (F/f) within a population of 800 people in Mesa. For this assignment, assume freckles on the face are a heritable trait and are controlled by one gene, where...
-
These questions In one or two sentences, describe your product, the company you represent and the brand image you want the product to project. Considering the 5 Cs mentioned in this module, what type...
-
The elements of a heavy-duty fluid valve are shown in the figure. When the member OB rotates clockwise about the fixed pivot O under the action of the force P, the element S slides freely upward in...
Study smarter with the SolutionInn App