Question: Consider a relation R ( P , Q , R , S , T ) with the set of functional dependencies , and T P

Consider a relation R(P,Q,R,S,T) with the set of
functional dependencies , and
TP}. How many super keys are possible in R?
Consider a relation R(P,Q,R,S,T) with the set of functional dependencies ,

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Consider the relation R = { G , H , I,J , K , L } and the following set of functional dependencies, which is a minimal cover already. GH - > I G - > J I - > KL ( a ) Find out all the keys of R . ( b...

Q:

1. Consider a relation R F: ABCDEFGHI, and the set of functional dependencies AB C, A DE, BF, F GH, DIJ (I) Find all the keys for R (2) Decompose R into 3NF relations

Q:

Consider a relation R = { P , Q , R , S , T , U , V , W } with the functional dependency sets S = { PR - > V , S - > TV , QR - > S , RV - > QS , PRS - > Q , RT - > PV } The minimum numbers of simple...

Q:

Consider a relation R = { P , Q , R , S , T , U , V , W } with the functional dependency sets S = { PR - > V , S - > TV , QR - > S , RV - > QS , PRS - > Q , RT - > PV } The minimum numbers of simple...

Q:

1. Given R (A,B,C,D,E,F,G,H), F is the set of dependencies on R such that F = {AB,ABCDE, EFGH, ACDFEG} what is the Canonical cover of F? 2. Given R(A,B,C,D,E,F,G,H,I), F is the set of dependencies on...

Q:

Indicate all the BCNF violations for this relation R (A, B, C, D, E) with functional dependencies DE->C , B->D , and ABE->C . Do not forget to consider functional dependencies that are not in the...

Q:

6. [7 points] Projection Consider a relation R=(A,B,C,D,E,G,H) and a set S={ABC,ACB,ADE,BD, BCA,EG} of functional dependencies that hold over R. Assume that R was decomposed into a set of relations...

Q:

Consider the relation schema R - (A, B, C), set of functional dependencies F = {B-A AB->C. C->A) and the following two relation Instances rl(R) ABCO olo 1 T 010 0 21 030 r2(R) ABC U 010 0 0 1 0 2 1...

Q:

Q 3: Consider the following relation R = (A,B,C,D,E) and the following set of functional dependencies ABC CD BD Compute B". Is Rin BCNF? If not give a lossless decomposition of Rinto BCNF. Show your...

Q:

Given a relation R ( P , Q , R , S , T , U , V , W , X , Y ) and Functional Dependency set FD = { PQ - > R , P - > ST , Q - > U , U - > VW , and S - > XY } , determine whether the given R is in 3 NF...

Q:

After spending $3 million on research, Better Mousetraps has developed a new trap. The project requires an initial investment in plant and equipment of $6 million. This investment will be depreciated...

Q:

Each of 36 men was asked to touch the foreheads of three women, one of whom was their romantic partner, while blindfolded. The two "decoy" women were the same age, height, and weight as the man's...

Q:

true or false: The goodwill and bonus methods are two means of adjusting for differences between the net book value and the fair value of partnerships when new partners are admitted. Regardless of...

Q:

You are deciding between two mutually exclusive investment opportunities. Both require the same initial investment of $9.9 million. Investment A will generate $1.91 million per year (starting at the...

Q:

2. Take a look at a piece of writing youve produced (an essay, your rsum, or a private Facebook message to a friend). Do you use high or low levels of abstraction? Is your choice of language...

Q:

4. Examine the language you use in mediated communication. Are there subtle ways in which you and your communication partners negotiate influence and create connectedness? Are any language choices...

Q:

1. Describe the power of nonverbal communication