Question: X - - > Y , Y - - > Z , and X is the primary ket. Why is X - - > Z

X --> Y, Y --> Z, and X is the primary ket. Why is X --> Z is a transitive dependency?
a.
Y determine the value Z via X
b.
X determines the value of Z via Y
c.
X is an independent variable.
d.
X determines the value of Y via Z.

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 Programming Questions!

Q:

True-False Questions 1. Normalizing accounting data refers primarily to eliminating errors and outliers, thus creating ?normal data.? 2. An important reason for normalizing data is to eliminate data...

Q:

As it relates to functional dependency, what type of dependency is defined if there exists a set of attributes Z in R that is neither a candidate key nor a subset of any key of R , and both X - > Z...

Q:

Discrete Mathematics We are going to write a program to read in relations, show the matrix of the relation. We will also show if the relation is reflexive, symmetric, anti-symmetric and transitive....

Q:

Question 3 ( 1 point ) There is an entity with three attributes: X , Y , and Z . The only candidate key for the entity is a composite of both x and Y together. If there is a functional dependency...

Q:

Instructions Functional Dependencies Show all the working. Do not simply write answers. If essential steps, such as edge diagrams, transitive inferences are missing, points will be deducted. A-1...

Q:

Keep the Highest / 1 1. Recognizing the existence of asymmetric information Complete the following table by determining which economic problem is characterized in each of the scenarios provided....

Q:

Answer the following: --> If X and Y are subsets of attributes of relation R, then we say that set Y is functionally dependent on set X if: for each X value there is only one Y value for each Y value...

Q:

2. For any binary relation D on a set X, define the binary relation > by letting x y y we do not have a Dy. Let _ be a binary relation on a set X, and define binary relations ~ and > by letting dry...

Q:

Problem 1 (6 points) Figures 1-6 below depict preference relations of six different people on sets of three or four alternatives. For each decision maker her set of alternatives constitutes the...

Q:

No need solutions, just final answer will do What is simplest form of the logical expression (y=0)=(x>1)? A. (y=0)(x>1) B. (y0v(x>1) D. (y>0) (x>1) Select one: a. D O b. A OC B O d. C. Is the...

Q:

A heat-conducting piston can freely move inside a closed thermally insulated cylinder with an ideal gas. In equilibrium the piston divides the cylinder into two equal parts, the gas temperature being...

Q:

The Chicago National League Ball Club, Inc. (Chicago Cubs), operated Wrigley Field, the Cubs' home park. Through the 1965 baseball season, the Cubs were the only major league baseball team that...

Q:

3 . CEO Information:Who is the CEO of the company?How much does the CEO earn annually? ( ( Use Yahoo Finance for this. ) 3 . CEO InformationCEO: Charles LiangAnnual Salary:

Q:

Perform the following mathematical operation, and report the answer to the correct number of significant figures. 0.97584 5.68 = [ ? ]