Will functional dependencies be preserved if a relation is converted to a temporal relation by adding a

Question:

Will functional dependencies be preserved if a relation is converted to a temporal relation by adding a time attribute? How is the problem handled in a temporal database?

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

Step by Step Answer:

Related Book For book-img-for-question

Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

See More Books

Question Posted: Jan 29, 2011 01:42 AM

See More Questions

What is removed when a relation is converted to the first normal form?
If a relation is in BCNF, what can we say about it with regard to 2NF and 3NF?
What is removed when a relation is converted from 1NF to 2NF?
Use c program to solve this. Problem B [10 marks] Write a program to calculate age (birth date and current date will be entered by user). Make a structure named Date to store the elements day, month...
Sam Peters is the sole proprietor of Charismatic Cats, a business specializing in the sale of high-end pet gifts and accessories. Charismatic Cats' sales totaled $1,060,000 during the most recent...
Consider the market for crude oil. Suppose the demand curve is described by Qd = 100 - P, where Qd is the quantity buyers will purchase when the price they pay is P (measured in dollars per barrel)....
Basketball player Dwight Howard makes a free throw shot about 56% of the time. Find the probability that (a) the first free throw shot he makes is the fourth shot, (b) the first free throw shot he...
An incomplete cost of goods manufactured schedule is presented below. Instructions Complete the cost of goods manufactured schedule for MolinaCompany. MOLINA COMPANY Cost of Goods Manufactured...
Considerations: Positive counterclockwise direction of the moment. Modulus of section = 474 ???? 103 ????????3 Beam area: 5600 ????????2 ???????? = ???????? Height: 350 ???? General instruction...
Solve the following proportions for the unknown quantities 8500:x:y = 1.3:1:1.6
What are the two types of time, and how are they different? Why does it make sense to have both types of time associated with a tuple?
Suppose you have a relation containing the x, y coordinates and names of restaurants. Suppose also that the only queries that will be asked are of the following form: The query specifies a point, and...
In 20X6, an equipment owner sold a front-end loader for 75,000. The loader had a book value of 1,00,000 and accumulated depreciation of 70,000. What is the accounting gain/loss on the sale of the...
Assume that you have invested 60% of your $30,000 in stocks and the rest in bonds. One year later you observe that your stocks rose by 5% while your bonds declined by 3%. How can you restore your...
How does your organization compare to GE or Johnson & Johnson regarding the strategic initiatives used to improve organizational processes? Use specific examples from the article provided, if...
GCC Stock latest dividend of AED 2.25 a share was paid yesterday. You plan to purchase the stock today because you believe the dividend shall grow @ 10% annually for next FOUR years, and selling...
What is the importance of team-building and state different techniques to build an effective team? How can you use the team building skills to assist you in your learning while studying and in your...
On her first day at the helm of the nearly 160-year-old Belgian chemical company, Ms. Kadri says, she started to work on a 10-year sustainability road map for the firm that was unveiled earlier this...
List and define the four privacy torts.
Which of the followingcarbocations is the least stable? CH3CH2 . CH3CHCH3 CH3 I . CH3C0 T CH3 IV. V. CH3 CH3CCH2 CH3
How is this company trying to manage first impressions?
1. List the names of all customers that have a credit limit less than $10,000. 2. List the descriptions of all parts in item class AP and located in warehouse number 3. 3. List the order numbers for...
1. List the name of each publisher thats not located in New York. 2. List the title of each book published by Penguin USA. 3. List the title of each book that has the type MYS. 4. List the title of...
1. List the owner number, last name, and first name of every boat owner. 2. List the names of all boats that are stored in a slip with a length of less than 30 feet. 3. List the last name, first...
Pharoah Enterprises purchased a delivery truck on January 1 , 2 0 2 5 , at a cost of $ 2 6 , 0 0 0 . The truck has a useful life of 7 years with an estimated salvage value of $ 5 , 9 1 0 . The...
Consider the following recurrence relation: A(1)=1, A(n) = 2A(n-1)+2"-1 Use the method of unraveling to find a closed form for A(n).
Given the following formula: Monthly Pay= [rate + rate / ([1+rate] ^(months) -1) X principle Where rate of 6% means 6/1200 and Months means number of years x 12 Possible data to test: Principle 12200...

Will functional dependencies be preserved if a relation is converted to a temporal relation by adding a

Question:

Step by Step Answer:

Functional dependencies may be violated when a relation is augmented to inc...View the full answer

Database System Concepts

Students also viewed these Computer Sciences questions