Given the relation R (A, B, C, D, E) and the following set of functional dependencies: F = {ABC, A➜E, B➜D, C➜B} a. Specify the key of R. b. Is R in the 3NF? If not give a decomposition of R that is in the 3NF. c. Explain why this decomposition is not in BCNF. d. Give a decomposition of R that is in BCNF.

Q: Let R(ABCDEFG) be a relation and F={A -> C, A-> D, B->F, E->F, F->G} a. Show example of lossless…

A: According to the information given:- We have R(ABCDEFG) F={A -> C, A-> D, B->F, E->F,…

Q: Let X = {0, 1}. (a) List (as subsets of X X X) all possible relations on X. This answer has not been…

A:

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Q: Consider the schema R = (A, B, C, D, E, G) and the set F of functional depen- dencies: AB → CD ADE…

A: a. To find the candidate keys of R, we need to determine the attribute closure of every subset of…

Q: Let R(A,B,C,D) be a relation with the set of functional dependencies F={AB->C,C->D). Decompose the…

A: Answer is

Q: Find a minimal cover in a standard form for the relation schema R(A, B,C, D, E, F, G, H) with the…

A: A minimal cover or canonical cover means a minimum set of functional dependencies. A canonical cover…

Q: Let A={1,2,3} and B={4,5,6). The set X={(1,4),(3,6),(2,4),(1,5)} is: O a relation between from A to…

A:

Q: Consider the schema R=ABCDEG and the set of functional dependencies F={BC→AG, BG→CD, C→AE, D→AG} 2a)…

A: To address each part of your question:2a) Determine the keys of the schema:To find the keys of the…

Q: 1. If we project the relation R(A,B,C,D,E) with dependencies A→→BC, B→D, and C→→E onto S(A,C,E),…

A: Answer is given below-

Q: Decompose R into a set of 3NF relations, that is lossless join and dependency preserving.

A: Here we decompose it in 3nf and check dependency preserving.…

Q: Consider the relation schema R (A, B, C, D, E, F, G, H) with the set of functional dependencies K =…

A: Actually, given relation schema R (A, B, C, D, E, F, G, H)...  functional dependencies K = {A→B,…

Q: Consider the following set F of functional dependencies on the relation schema R = (A, B, C, D, E,…

A: a) Candidate Key : Minimal set of attributes used to differentiate every record of the table is…

Q: Consider a schema R and a set F of functional dependencies as follows: R= (A,B,C,D,E,G). F = {A →…

A: First of  all , let’s understand what is super key.      Super key : Super key can be defined as  an…

Q: Normalization Here is a set of FDs for a relation R {A, B, C, D, E, F, G}; AB BC>DE AEF>G AC>DE a.…

A: Given, Relation schema = ( A, B, C, D, E, F, G ) The set of functional dependencies are : A -> B…

Q: Consider a schema R and a set F of functional dependencies as follows: R = (A,B,C,D,E). F = {A →…

A: To check for lossless join decomposition using functional dependency, the following set of the…