Question: Consider a relation R = { P , Q , R , S , T , U , V , W } with the functional

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 functional
dependency in the minimal cover of F is _________?

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:

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:

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:

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:

Consider a relation R = (A, B, C, D), and functional dependency set F = {AB ? C, C ? D, D ? A}. a) Is F a minimal cover? Explain. b) Compute F+. c) List all the super keys of R. d) List all the...

Q:

Consider the relation schema R=(A, B, C, D) with functional dependency F as follows A BC B D D B Show a decomposition of R into R1 and R2 so that each relation of the decomposition is in BCNF and...

Q:

Let a relation R ( A , B , C , D ) and functional dependency { AB > C , C > D , D > A } is given. Relation R is decomposed into R 1 ( A , B , C ) and R 2 ( C , D ) . Check whether decomposition is...

Q:

Problem # 1: Following Relation R (P, Q, R, S, T, U) WITH 6 TUPPLES: P P P Q S 1 U V w T K K N D Attributes T1 T2 T3 T4 T5 T6 J R E F G G F D D J I 1 Y Z P P N D K X Y G J M Design all possible valid...

Q:

Which one is correct w . r . t . RDBMS ? primary key super key candidate key primary key candidate key super key super key candidate key primary key super key primary key candidate key The relation...

Q:

1] Consider the following relation: CAR_SALE(Car#, Date_sold, Salesman#, Commission%, Discount_amt) The primary key is {Car#,Salesman#} because a car can be sold by multiple salesmen. The...

Q:

1] Consider the following relation: CAR_SALE(Car#, Date_sold, Salesman#, Commission%, Discount_amt) The primary key is {Car#,Salesman#} because a car can be sold by multiple salesmen. The...

Q:

How is data coding different from data editing?

Q:

Use the following information to construct a swap of asset cash flows for the bank in problem 15. The bank is a price taker in both the fixed-rate market at 9 percent and the rate-sensitive market at...

Q:

Let R 1 be a relation from X to Y and R 2 be a relation from Y to Z . The composition R 2 R 1 is the relation from X to Z given by R 2 R 1 = f ( x; z ) 2 X Z : for some y 2 Y; ( x; y ) 2 R 1 and ( y;...

Q:

Subtracting accumulated depletion from the asset account coal mine would yield the: O A. current period's depletion expense for the coal mine. O B. current market value of the coal mine. O c. net...

Q:

Explain the qualities of effective leaders in service organizations.

Q:

Understand why customers are loyal to a particular service firm.

Q:

Appreciate why it is so important for service firms to target the right customers.