Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X has the following functional dependencies (X is one table with the attributes W, Y, S, M, F, E):

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A: The provided answer is

Q: Question 1: Normalization Consider a relation X with six attributes WYSMFE where WS is a composite…

A: The given problem is related to database normalization where the relation X is given with its…

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A: As per our guidelines we are supposed to answer only question. Kindly repost other question as…

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A: As per our guidelines we are supposed to answer only one question. Kindly repost other as a separate…

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A:

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A:

Q: Please TYPE IF POSSIBLE OR WRITE CLEARLY Consider a relation X with six attributes WYSMFE where WS…

A: 1. Primary key for the given relation is (W, S)  The FDs S -> YME This is partial functional…

Q: Question 1: Normalization   Consider a relation X with six attributes WYSMFE where WS is a…

A: 1.

Q: PLEASE TYPE IF POSSIBLE OR WRTIE ELIGIBLY  Consider a relation X with six attributes WYSMFE where…

A: Given: PLEASE TYPE IF POSSIBLE OR WRTIE ELIGIBLY  Consider a relation X with six attributes WYSMFE…

Q: 1. Consider the following relation with set of functional dependencies R(ABCDEF) ABC->D, ABD->E,…

A: ABC->D, ABD->E, CD->F, CDF->B, BF->D A)  Closure(ABC) ={A, B, C, D, E, F} Therefore…

Q: . Consider the following relation with set of functional dependencies R(ABCDEF) ABC->D, ABD->E,…

A:

Q: Consider the following relation with set of functional dependencies R(ABCDEF) ABC->D, ABD->E, CD->F,…

A:

Q: Consider a relation T with seven attributes ABCDEFG where AB is a composite primary key for T.…

A: Given the relation relation T with seven attributes ABCDEFG where AB is a composite primary key for…

Q: Consider the relation r(A, B, C) with the attribute A as the index. Give an example of a query that…

A: GIVEN: Consider the relation r(A, B, C) with the attribute A as the index. Give an example of a…

Q: Consider the relation r(A, B, C) with the attribute A as the index. Give an example of a query that…

A: Given: Consider the relation r(A, B, C) with the attribute A as the index. Give an example of a…

Q: Consider a relation with schema R(A,B,C,D,E,F,G). Choose the key for the relation for the following…

A: According to the question we need to consider a relationship with schema R(A, B, C, D, E, F, G).…

Q: Consider a relation T with seven attributes ABCDEFG where AB is a composite primary key for T.…

A: The provided answer is

Q: For relation (R), its attributes and its functional dependencies (F): R(A, B, C, D, E) C D → B A…

A: A relational schema R is considered to be in Boyce–Codd normal form (BCNF) if, for every one of its…

Q: Consider the following relation with set of functional dependencies R(ABCDEF) ABC->D, ABD->E, CD->F,…

A: Explanation: Find the closure set of all the options given. If any closure covers all the attributes…

Q: Consider a relation r(A, B, C), with an index on attribute A. Give an example of a query that can be…

A: Example: Consider a relation r(A,B,C) holding an index on attribute “A”. The query plans that only…

Q: Q4  Consider a relation R (P, C1, C2, X). P is the primary key while (C1, C2) is another candidate…

A: We are given a relation with primary key P, candidate keys(C1,C2) and non prime attribute X. And we…

Q: Question: Consider the relation: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q), {A, B} is the…

A: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q) Candidate key: {A, B}, {C,D,E}Prime attributes Non…

Q: Question 2. Find a set of FDs for the relation schema R(w, X, y, z) with primary key "wx" under…

A: A set of FDs for the relation schema  R(w, x, y, z) with primary key "wx" under which R is in 2NF…

Q: Question 2. Find a set of FDs for the relation schema R(w, x, y, z) with primary key "wx" under…

A: Given relation R(w, x, y, z) "wx" is the primary key Then some of the possible functional…

Q: Question 2. Find a set of FDs for the relation schema R(w, X, y, z) with primary key "wx" under…

A: A set of Fd's for the relation schema R(w,x,y,z) with a primary key "WX" under R is in 2nf but not…

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

A: The original relation is r(A,B,C,D,E,F). This relation is not BCNF due to the first functional…

Q: Given: 1. The universal relation schema Q(CTHRSG), where C = course, T = teacher, H = hour, R =…

A:

Q: Consider the following relation with set of functional dependencies R(ABCDEF) ABC->D, ABD->E, CD->F,…

A: In this question, we are given a relation with set of functional dependenciesR(ABCDEF)ABC->D,…

Q: 16.Consider a relation R = (A,B,C,D,E) with the following functional dependencies: {C,E → D,   D →…

A: Given that 16.Consider a relation R = (A,B,C,D,E) with the following functional dependencies: {C,E →…

Q: Question 10. Consider the relation R (ABCDE) and functional dependencies set {A - B, B - C, C D, D…

A: The highest normal form of R

Q: Given a relation R( P, Q, R, S, T, U, V, W, X, Y) and Functional Dependency set FD = { PQ → R, P →…

A: Given: a relation R( P, Q, R, S, T, U, V, W, X, Y) and Functional Dependency set FD = { PQ → R, P →…

Q: Consider the relation schema R (A, B, C, D) with all possible functional dependencies. For each of…

A: 1. A, C -> B, D C -> D Here key for the given relation is (AC)  The FD C->D is a partial…

Q: Consider a relation schema R = {A, B, C, D, E, F, G} with the following set of functional…

A: A relation Schema of the set of functional dependencies

Q: Consider the relation schema R (A, B, C, D) with all possible functional dependencies. For each of…

A: 1. A, C -> B, D C -> D Here the key for the relation is (AC)  The FD C->D is a partial…

Q: Consider a relation such as sec course, generated from a many-to-one relationship set sec course. Do…

A: Let suppose a relation generated from a many-to-one relationship having primary and foreign key…

Q: Consider the relation R with the following functional dependencies: R(P,Q, R, D, E, F) FD = {P >…

A: Given: Relation R with the following functional dependencies: R(P,Q, R, D, E, F) FD = {P > Q,QR →…

Q: 1. Consider the relation schema which records student grades received from courses they have taken…

A: Candidate key: - It is a collection of attributes that recognize rows in a table in a unique way. It…

Q: Question 6. Consider the relation R(ABCDE) and its functional dependencies set {AB->C, C->E, B-> D,…

A: Answer of the given question: choice (d) is the correct answer.  Lossless Decomposition:  Lossless…

Q: Question 6. Consider the relation R(ABCDE) and its functional dependencies set {AB->C, C->E, B-> D,…

A: Answer of the given question: choice (d) is the correct answer.  Lossless Decomposition:  Lossless…

Q: Question 10. Consider the relation R (ABCDE) and functional dependencies set {A → B, B → C, C → D, D…

A: In this question 10, we are given a relation R and set of functional dependencies. We are asked the…

Q: Question 10. Consider the relation R (ABCDE) and functional dependencies set {A → B, B → C, C → D, D…

A: Highest normal form of the given relation R

Q: Describe the meaning of a Functional Dependency between attributes in a single relation A1 → A2. Use…

A: Functional dependency determines relationship between attributes of table dependent on each other.…

Q: Consider the relation R = (A, B, C, D, E, F, G, H, I, J} and the set of functional dependencies F…

A: For this problem, we must get all the keys. For this, we must check all the attributes which are…

Q: Consider a relation such as sec_course, generated from a many-to-one relationship set sec_course. Do…

A:

Q: A weak entity set may always be made stronger by adding the primary-key attributes of its…

A: Introduction: A weak entity set will always be better off if its main features are added to its…

Q: Let R(A, B, C, D) be a relation with FD's: A → B, C → D, AD → C, and BC → A. If we decompose R into…

A: Answer to the above question is in step2.

Q: A rather than of the individual tuples in which each tuple is unique. _is a property of the entire…

A: To be determine: Fill the blank

Q: nswer the following questions about the relation Rla, b, c, d, e, f), a -> f ab -> cd C->e de -> b…

A: A)  Primary key is ab.  a -> f violates 2NF since it's a partial FD ab -> cd : none c -> e…

Q: Consider the following E/R diagram with isa relationships, in which every node represents an entity…

A: The given problem is related to Database modeling with IS-A relationship where IS-A relationship…

Q: A weak entity set can always be made into a strong entity set by adding to its attributes the…

A: To convert a weak entity set to a string set, simply add the primary key attributes from its…