Question: Given that R is a relation schema and K is a candidate key for R . Which of the following statements is not True? Question

Given that R is a relation schema and K is a candidate key for R. Which of the following statements is not True?
Question 5 options:
K functionally determines R.
For proper subset \alpha of K,\alpha -> R.
K must be a subset of R.
All of the above.
None of the above.

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:

QUESTION 13 Please indicate what the highest normal form is for the given relation schema R(A, B, C, D), the key for the schema: AB, and the set of functional dependencies, A ? C, B ? D, a.The first...

Q:

To read the article describing the components of Payn'e CRM Framework The link below also describes the framework and gives you some insights in relation to how to apply it...

Q:

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Q:

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Q:

Consider a relation schema R = (A, B, C, D, E) and a set F consisting of the following functional dependencies that hold on R: A -> C, AC -> E, AD -> B, B -> ADE, D-> E. A candidate key of a relation...

Q:

Prolog You are approached to compose a Prolog program to work with twofold trees. Your code shouldn't depend on any library predicates and you ought to expect that the mediator is running without...

Q:

15 Given the following relation: Supplier( Supplier D, name, city, partNumber, partDescription) Where Supplier D is the primary key, and partNumber-> partDescription Which of the following...

Q:

You have been provided with the description of a programming language, J, intended for scripting applications. Its syntax is similar to a cut-down version of Java in that it consists of function...

Q:

Suppose that R(A, B, C) is a relational schema with functional dependencies F = {A, B C, C B}. (i) Is this schema in 3NF? Explain. [2 marks] (ii) Is this schema in BCNF? Explain. [2 marks] (b)...

Q:

Insert anomaly means the inability to create a new record due to the absence of other data (2 points) True False 2 Specialization S: S = {V1, V2, ..., vn) is a set of subclasses with the same...

Q:

You would think that any country would welcome the free flow of FDI. However, that does not appear to be the case with India. Why not? Tell us more so we can better understand what "single brand...

Q:

Consider the following two mutually exclusive projects available to Global Investments, Inc. The appropriate discount rate for the projects is 10 percent. Global Investments chose to undertake...

Q:

6. The strCity and strState variables contain the strings Tampa and Florida, respectively. Which of the following will display the string Tampa, Florida (the city, a comma, a space, and the state) in...

Q:

where you believe the U.S. economy is operating with respect to the business cycle so like in what phase of the business cycle do you believe the US economy is in? Would you recommend a policy action...