Question: Consider a Relation R with five attributes A, B & C. The following dependencies are given: AB -> C, C -> B 1. In BCNF

Consider a Relation R with five attributes A, B & C. The following dependencies are given:

AB -> C,

C -> B

1. In BCNF? Why or why not?

2. In 3NF? Why or why not?

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:

Objective: this assignment is designed to let you have a hands-on experience with normalization. A normalized schema provides a good starting point for further development of a database application...

Q:

Consider a Relation R with five attributes A, B, C, D, and E. The following dependencies are given: AB C, BC D, CD E, DE A. 1. List all keys for R . Do not list superkeys that are not a key. 2. Is R...

Q:

Consider a relation R with five attributes A, B, C, D, and E. You are given the following functional dependencies: A --> B, BC --> E, and ED --> A. Is R in BCNF? If it is not, decompose it into a...

Q:

1: BCNF and 3NF (3 points) Consider a relation R with five attributes A, B, C, D, and E. You are given the following functional dependencies: A + B, BC-E, and ED_A. (a) List all keys for R. (1 point)...

Q:

Plz help! Consider a Relation R with five attributes A, B, C, D and E. The following dependencies are given: AB rightarrow C, BC rightarrow D. CD rightarrow E, DE rightarrow A. List all keys for R....

Q:

Consider a relation R with five attributes A, B, C, D, and E. You are given the following functional dependencies: A B, BCE, and EDA. (a) List all keys for R. (1 point) (b) Is R in BCNF? If it is...

Q:

Consider a relation R with five attributes A, B, C, D, and E. You are given the following functional dependencies: A --> B, BC --> E, and ED --> A. Convert this to BCNF.

Q:

Consider a relation R with five attr?butes A, B, C, D, E. You are given the following dependences: 1. BC- D Is{(ABCE)j a candidate key of this relation? If not, is (ABC)j? Justify your answer Answer:...

Q:

Can someone explain why the answer is 10? (b) (1pt] Consider a relation R with five attributes, A, B, C, D, and E. How many different keys could R have at most at the same time? A. 1 B. 5 C) 10 D. 31...

Q:

Consider a relation R with ve attributes A, B, C, D, and E. You are given the following functional dependencies: A B, BCE, and EDA. (a) Is R in BCNF? If it is not, decompose it into a collection of...

Q:

Pelak Company had sales of $350,000, expenses of $315,000, and average operating assets of $140,000. Required: 1. Compute the operating income. 2. Compute the margin and turnover ratios. 3. Compute...

Q:

On February 1, 2019, Target issued a $500.000, 4% annual coupon bond to be paid on a quarterly basis. The bond matures on February 1. 2024. At the time of issue, the market yield was 5%. Answer the...

Q:

Work out mentally a (0.6 0.2) 0.8 b 22 0.9 c 4 12.6 2.5 d 12 0.15

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

Explain why the following statements are false. a. The aggregate-demand curve slopes downward because it is the horizontal sum of the demand curves for individual goods. b. The long-run...

Q:

Suppose that the economy is currently in a recession. If policymakers take no action, how will the economy change over time? Explain in words and using an aggregate-demand/ aggregate-supply diagram.

Q:

Suppose the U.S. economy begins in long-run equilibrium. Concerns about global climate change cause the government to significantly restrict the production of electricity from fossil fuels. Because...