Why are duplicate tuples not allowed in a relation?
Question:
Why are duplicate tuples not allowed in a relation?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (17 reviews)
Duplicate tuples are not allowed in a relation bec...View the full answer
Answered By
Sandra Dimaala
Sandra from Philippines ,LICENSED PROFESSIONAL TEACHER.
Teachers are our nation builders—the strength of every profession in our country grows out of the knowledge and skills that teachers help to instill in our children. And, as a nation, we must do much, much more to fully appreciate and support their work.
0.00
0 Reviews
10+ Question Solved
Related Book For
Fundamentals Of Database Systems
ISBN: 9780133970777
7th Edition
Authors: Ramez Elmasri, Shamkant Navathe
Question Posted:
Students also viewed these Computer science questions
-
Why are tuples in a relation not ordered?
-
Why do spurious tuples occur in the result of joining the EMP_PROJ1 and EMPLOCS relations of Figure 15.5 (result shown in Figure 15.6)?
-
Why is a paralegal not allowed to take a deposition?
-
Partners have fiduciary obligations to each other. Explain what this means and give examples.
-
A sports psychologist working with hockey players has found that players' knowledge of physiology predicts the number of injuries received over the subsequent year. The regression constant in the...
-
The following data appeared in the accounting records of Bond Manufacturing Inc., which uses an average cost production system: Started in process . . . . . . . . . . . . . . . . . . . . . . . . ....
-
Evaluate capital expenditure proposals using the accounting rate of return method. (Obj. 1). An asset costing $100,000 will have an estimated net salvage value of $10,000 at the end of its 10-year...
-
Global Reach, Inc., is considering opening a new warehouse to serve the Southwest region. Darnell Moore, controller for Global Reach, has been reading about the advantages of foreign trade zones. He...
-
Lamar borrowed $8000 at a rate of 13%, compounded quarterly. Assuming he makes no payments, how much will he owe after 4 years? Do not round any intermediate computations, and round your answer to...
-
Samples of student cars and faculty/staff cars were obtained at the author's college, and their ages (in years) are summarized in the accompanying frequency table. Find the standard deviation in age...
-
Consider the ER diagram in Figure 3.24. Assume that a course may or may not use a textbook, but that a text by definition is a book that is used in some course. A course may not use more than five...
-
What is the difference between a key and a superkey?
-
Is there an optimal pressure for reheating the steam of a Rankine cycle? Explain.
-
I have attached a case study, primarily based on your textbook chapter reading assignments. The background material for the case also references chapters 3 and 15, not assigned for this course....
-
On December 1 , 2 0 2 5 , Sandhill Distributing Company had the following account balances.DebitCash$ 7 , 1 0 0 Accounts Receivable 4 , 5 0 0 Inventory 1 1 , 9 0 0 Supplies 1 , 2 0 0 Equipment 2 2 ,...
-
Cindy Greene works at Georgia Mountain Hospital. The hospital experiences a lot of business closer to summer when the temperature is warmer. Cindy is meeting with her supervisor to go over the budget...
-
Use z scores to compare the given values. Based on sample data, newborn males have weights with a mean of 3247.4 g and a standard deviation of 575.4 g. Newborn females have weights with a mean of...
-
Gignment FULL SCAL Exercise 4- The following ndependent situations require professional judgment for determining when to recognize revenue from the transactions. Identify when revenue should be...
-
1. Which of the two basic reporting approaches for the cash flows from operating activities did Lowes use? Is this the same as what The Home Depot used? 2. What amount of cash did Lowes receive from...
-
An interest bearing promissory note for 90 days at 5.6% p.a. has a face value of $120,000. If the note is discounted 20 days after the issue date at a rate of 6.8% p.a., calculate the amount of...
-
If we let n denote the size of set S, and m denote the size of set T, what would be the running time of the operation S.retainAll(T) when both sets are implemented using hashing?
-
If we let n denote the size of set S, and m denote the size of set T, what would be the running time of the operation S.removeAll(T) when both sets are implemented using hashing?
-
If we let n denote the size of set S, and m denote the size of set T, what would be the running time of the operation S.addAll(T), as implemented on page 446, if both sets were implemented using...
-
How do warehouses and distribution centers differ? What is cross-docking and why might a company choose to cross-dock a product? What kinds of products can be delivered electronically? What kinds...
-
Strawberry Inc. has historically been an all-equity firm. The analyst expects EBIT to be $1.5B in perpetuity starting one year from now. The cost of equity for the company is 11.5% and the tax rate...
-
Guzman company received a 60- day, 5 % note for 54,000 dated July 12 from a customer on account. Determine the due date on note. Determine the maturity value of the note and journalize the entry of...
Study smarter with the SolutionInn App