Describe the concept of functional dependency.

Question:

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

Step by Step Answer:

Related Book For book-img-for-question

Database Systems A Practical Approach to Design Implementation and Management

ISBN: 978-0132943260

6th Edition Global

Authors: Thomas Connolly, Carolyn Begg

See More Books

Question Posted: Dec 17, 2015 05:27 AM

See More Questions

Describe the concept of full functional dependency and describe how this concept relates to 2NF. Provide an example to illustrate your answer.
Define each of the following terms: a. Determinant b. Functional dependency c. Transitive dependency d. Recursive foreign key e. Normalization f. Composite key g. Relation h. Normal form i. Partial...
Explain functional dependency between two attributes.
An astronaut must journey to a distant planet, which is 200 light-years from Earth. What speed will be necessary if the astronaut wishes to age only 10 years during the round trip?
List and briefly define three file allocation methods.
Let a particle of charge e and rest mass m, initially at rest in the laboratory; scatter a photon of initial frequency i. This is called Compton scattering. Suppose the scattered photon comes off at...
A manufacturer determines that a big screen HDTV set had probabilities of $0.8,0.15,0.05$, respectively, of being placed in the categories acceptable, minor defect, or major defect. If 3 HDTVs are...
Carmon Company invested $300,000 in the equity securities of Mann Corporation. The current market value of Carmons investment in Mann is $250,000. Carmon currently needs funds for operating purposes....
1) Use the following post-closing (i.e. beginning) trial balance to specify the beginning balances in the T-accounts on pages 3 and 4. The beginning balance for Cash is specified in the T-account...
Give two characteristics of each type of legal standard: statute, case, and regulation. (An example of a characteristic would be the source of the legal standard.)
Describe the types of update anomalies that may occur on a relation that has redundant data.
What are the main characteristics of functional dependencies that are used when normalizing a relation?
The required rate of return is 12%, and the expected rate of inflation over the life of the project is forecast to remain steady at 3%. Should you invest in this project?
SECTION A-TWO QUESTIONS COMPULSORY QUESTION 1 A. Define the following computer programming terms: Program, Programming, Pseudocode, Debugging, and an Algorithm. B. Write a C++ Program that will print...
Timetable Survey 2. Object Diagram 3. Basic Use Case Diagram Task 2 Draw a basic class diagram for a customer ordering then paying for item/s on an e-commerce website. Use your personal experience to...
Question in TASM Language. Your Client asked you to design, code and test a program by using Procedures that: 1. Request the user to enter two numbers. Each number can be in this format xx.xx(where x...
Re-draw the Binary Search Tree below after 25 is deleted. 3 12 25 29 31 35
You should consult the slide below from lectures where we covered an example trace of standard DFS on the UCD route finding problem. Initial Queue CG Loop 1 Queue Loop 2 Queue Loop 3 Queue Loop 4...
Write the function in the form y = (u) and u = g(x). Then find dy/dx as a function of x. y = cot X
A supermarket chain is interested in exploring the relationship between the sales of its store-brand canned vegetables (y), the amount spent on promotion of the vegetables in local newspapers (x1)...
What two conditions must be met before an entity can be classified as a weak entity? Give an example of a weak entity.
Given the business rule an employee may have many degrees, discuss its effect on attributes, entities, and relationships.
Suppose you are working within the framework of the conceptual model in Figure Q4.5. a. Write the business rules that are reflected in it. b. Identify all of the cardinalities. CUSTOMER CAR kowns...
A business provides services valued at 1 1 0 0 and sends an invoice to the client. The client has promised to pay in one month. which two accounts will be affected?
Rushing's financial statements were finalized on March 3, 2025. Required: 1. What amount(s) if any, related to the situations described should Rushing report among current liabilities in its balance...
Monroe Company produces and sells three products. Information regarding these three products for 2024, the most recent year, is provided below: selling price per unit Product #1 $26 variable costs...

Describe the concept of functional dependency.

Question:

Step by Step Answer:

Functional dependency describes the relationship between ...View the full answer

Database Systems A Practical Approach to Design Implementation and Management

Students also viewed these Computer Sciences questions