What role does the concept of foreign key play when specifying the most common types of meaningful

Question:

What role does the concept of foreign key play when specifying the most common types of meaningful join operations?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

See More Books

Question Posted: Nov 10, 2021 03:23 AM

See More Questions

What role does the Fed play in foreign exchange markets?
What role does the project manager have related to ethical behavior on the team? What steps can be taken to help ensure a high level of ethical behavior? Describe a situation in which you were...
What is the ABC system? What role does the EOQ model play in controlling inventory? How does it capture the opportunity costs associated with inventory investment?
A company issues a callable (at par) ten-year, 7% coupon bond with annual coupon payments. The bond can be called at par in one year after release or any time after that on a coupon payment date. On...
A developmental psychologist compares 4-year-olds and 8-year-olds on their ability to understand the analogies used in stories. The scores for the five 4-year-olds tested were 7, 6, 2, 3, and 8. The...
How are accountants involved in data conversion?
If Exercise 8.3 had asked about a book in free fall rather than one on the floor, what would the free-body diagram look like? Data from Exercise 8.3 Draw a free-body diagram for a book lying...
Assume that a division of Bose makes an electronic component for its speakers. Its manufacturing process for the component is a highly automated part of a just-in-time production system. All labor is...
a) Investment in real estate is one of the booming business in Kenya today and most of companies and wealthy individuals have been venturing into the business. Understanding on the rights of real...
A computer store sells hard disks purchased from a supplier, with a lead time of exactly 3 weeks. Weekly demand for hard disks has a normal distribution with mean 38 and variance 130. Each hard disk...
List the operations of relational algebra and the purpose of each.
What is the FUNCTION operation? For what is it used?
The computer stores a program while the program is running, as well as the data that the program is working with, in __________. a. Secondary storage b. The CPU c. Main memory d. The microprocessor
The following is the best example of an on-chain transaction: PayPal transaction Venmo transaction Cash App transaction Bitcoin transactionSales tax preparation is a great example of a service that...
Find the second order partial derivative Y (x,z) XZ 10z of the function Y=- 2 X
Sandy's employer has provided her with $200,000 of group term life insurance. Sandy is 51 and pays $100 annually for her group term life insurance. If the cost per $1,000 of coverage per month is...
Warren Sports Supply sells soccer balls. Below is information for October where the company sold 1,000 soccer balls: $26,000 of sales $15,000 of variable costs $9,000 of fixed costs How many soccer...
A, B, C, and D are the four partners of Handoff Partnership. They contributed capital in the following proportions: A 10%, B 20%, C 30 %, and D 40%. They alsoagreed to share profi ts as follows: A...
Properties of Scalar Products for Problems 1-3, consider the general scalar product on vectors aÌ, bÌ. and cÌ of the same dimension. Either prove the statement to be true or...
Inexhaustible collections of ONPOs are not required to be capitalized or depreciated, if certain criteria are met. Why is this so, and what accounting and reporting recognition, if any, is required...
Let G be a graph with n vertices and m edges such that all the edge weights in G are integers in the range [1,n]. Give an algorithm for finding a minimum spanning tree for G in O(mlog n) time.
Consider the following greedy strategy for finding a shortest path from vertex start to vertex goal in a given connected graph. 1: Initialize path to start. 2: Initialize set visited to {start}. 3:...
An independent set of an undirected graph G = (V,E) is a subset I of V such that no two vertices in I are adjacent. That is, if u and v are in I, then (u,v) is not in E. A maximal independent set M...
List some effective techniques to determine the current traffic consumption.
Bottlebrush Company has operating income of $77,805, invested assets of $117,000, and sales of $409,500. Use the DuPont formula to compute the return on investment, and show (a) the profit margin,...
Thomas is considering buying an artificial Christmas tree. The tree costs $285 and is expected to last six years. The alternative is to keep purchasing natural trees, which currently cost $35...

What role does the concept of foreign key play when specifying the most common types of meaningful

Question:

Step by Step Answer:

Joins are used to merge data from two tables but Foreign Keys just ...View the full answer

Fundamentals Of Database Systems

Students also viewed these Computer science questions