Question: Consider a relation schema R with six attributes ABCDEF. You are given the following set of functional dependencies: A B; B D; D E F

Consider a relation schema R with six attributes ABCDEF. You are given the following set of functional dependencies: A B; B D; D E F
1. What is the key of R? Explain
2. Propose a lossless decomposition in 3NF of R, explain.

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:

please help . provide full details. Consider a relation schema R with six attributes ABCDEF. You are given the following set of functional dependencies: AB; BD;C,DEF 1. What is the key of R? Explain...

Q:

Normalization [ 1 0 ] Consider a relation schema R with six attributes ABCDEF. You are given the following set of functional dependencies: A - > B; B - > D; D - > E F What is the key of R ? Explain...

Q:

Consider a relation schema R with six attributes ABCDEF. You are given the following set of functional dependencies: A - > B; B - > D; D - > E F Propose a lossless decomposition in 3 NF of R ,...

Q:

2.(2 pts) Consider a relation R with six attributes ABCDEF. You are given the following Dependencies: E->A, BD->E, B->C. 1) (1pts) Please list all keys for this relation. 2) (1pts) Is the relation in...

Q:

2.(2 pts) Consider a relation R with six attributes ABCDEF. You are given the following Dependencies: E->A, BD->E, B->C. 1) (1pts) Please list all keys for this relation. 2) (1pts) Is the relation in...

Q:

Consider a relation R with seven attributes ABCDEF. You are given the following dependencies: a) AB C b) C A c) BC D d) D E e) D F f) BE C g) CF B h) CE F 6. Using Armstrong Axioms prove that the...

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. An algorithm for computing a...

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:

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. An algorithm for computing a...

Q:

Part 1 : Normalization 1 . Consider a table Alphabet ( A , B , C , D , E ) with the following functional dependencies: FD 1 : AB C FD 2 : AC B FD 3 : BC A FD 4 : D E a . Determine all the candidate...

Q:

The following circuit operates if and only if there is a path of functional devices from left to right. The probability each device functions is as shown. Assume that the probability that a device...

Q:

Use the information given below to calculate each of the following independently: 3.1 Expected total Marginal Income and Net Profit/Loss for December 2023. 3.2 3.3 3.4 3.5 1. Expected production and...

Q:

( 1 + . 0 8 / 1 2 ) ^ ( 1 2 ) ( 5 0 ) / ( . 0 8 / 1 2 )

Q:

Bill and Joe decided to go on vacation together. Bill lives in Boston, and Joe lives in New York. They flip a coin to decide if they will fly from Boston or from New York, and then they flip a coin...

Q:

(Appendices) COMPONENTS OF COST OF GOODS SOLD. Annas Corner Store has the following data for a recent year. LO9

Q:

(Appendices) TERMS OF SHIPMENT AND ENDING INVENTORY. On December 31, Archive Products had two shipments of merchandise in transit from different suppliers. The first shipment, which arrived on...

Q:

(Appendices) PURCHASES, SALES, AND COST OF GOODS SOLD. The following data were available for Jeans Inc., a seller of denim clothing, at January 1 of a recent year: Jeans Inc. records purchases and...