QUESTION 8 Here's a relation (R), its attributes, and its functional dependencies (F): R(A, B, C, D, E, F, G) BC DG CD F FG A 1-Compute the closure of (ACD}+ 2-Compute the closure of (F)+ 3-What are the keys of R?

Q: Given the following relation: R (A, B, C, D, E, F, G) The functional dependencies that apply onto R…

A: The question is on database normal forms and functional dependencies.

Q: QUESTION 26 Consider a relation R(A B, C, D, E) with the following dependencies: AB-C, CD-E. DEB how…

A: Dear Student, A key is a candidate key if it's the minimum length key that can derive each…

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: For relation (R), its attributes and its functional dependencies (F): R(A, B, C, D, E) CD-> B A- D…

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

Q: Compute the closure of the following set F of functional dependencies for relation schema R = (A, B,…

A: The Functional  Schema R= (A,B,C,D,E) Given functional dependencies : A  →  BC CD → E B → D E  → A…

Q: Consider a relation R(A,B,C,D,E) with functional dependencies AB→C, A→D, and D→E.    What are the…

A: Primary key = AB as we can see in closure that we can find every attribute using AB

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: 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: 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: 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 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 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: Question 10. Consider the relation R (ABCDE) and functional dependencies set {A highest normal form…

A: Steps to find highest normal form of relation: Find all possible candidate keys of the relation.…

Q: Consider a relation R(A,B,C,D,E) with functional dependencies AB→C, A→D, and D→E. (a) What are…

A: (A ) keys for relation R) is AB   Reason : -- because key is column or set of columns using that you…

Q: You are given the following set of functional dependencies for a relation R= (A, B,C,D,E,F), F= (AB…

A: A) The functional dependency are AB->C DC->AE E->F The key for the given relation is set of…

Q: I have to generate a set of relations and functional dependencies which IS in BCNF, but IS NOT…

A: Answer is given below .

Q: Consider the relation schemas R(A,B) and S(A,B). Suppose {A } is the key for R and also the key for…

A: Even though {A} is the key for both R and S, the union of R and S has the complete keyset, so here…

Q: Answer the following questions about the relation R(a, b, c, d, e, f), with functional dependencies:…

A: Answer : R(a,b,c,d,e,f) a->f ab->cd c->e de->b bf->ae It  not violate any normal…

Q: Give an example of a relation schema R and a set of dependencies such that R is in BCNF but is not…

A: Answer: The relation schema R = (A, B, C, D, E) and the set of dependenciesA →→ BCB →→ CDE →→…

Q: Give an example of a relation schema R and a set of dependencies such that R is in BCNF but is not…

A: Example: A relational schema R with set of functional dependencies is considered: The relational…

Q: Given the relation R(C, D, E, F) and functional dependency: C-> DF Which of the following functional…

A: Answer to the above question is in step2.

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: Consider a relation R={A,B,C,D,E,F,G,H,I} with the set of functional dependencies and determine,…

A: The relation schema R is in a (BCNF) with respect to a set F of FDs if, and only if, for each FD X→Y…

Q: Given the relation R(A, B, C, D, E, F), the following functional dependencies exist: B --> C, D D…

A: Given : R(A, B, C, D, E, F) B --> C, DD --> F

Q: Q2: Given relation R with attributes (A, B, C, D, E, F). Give all the keys of R if the functional…

A: Given relation R(A, B, C, D, E, F)   Functional Dependencies: AB → C,  CD → E,  E → F   A, B, D do…

Q: hich of the following functional dependencies are satisfied (and not satisfied) by this relation and…

A: functional dependency in DBMS.

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: What are the significant functional dependencies in this relation?         (b) What is/are the…

A: Functional Dependencies (FD):                It determines the relation between two attributes in…

Q: Consider the relation scheme R (A, B, C, D, E) and the set of functional dependencies F = { A –→ BC;…

A: Closure (A) =(A, B, C, D, E)  Closure(CD) =(C, D, E, A, B)  Closure (B) =(B, D)  Closure (E) =(E, A,…

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: onsider a relation T with seven attributes ABCDEFG where AB is a composite primary key or T. Assume…

A: A)  Primary key for the given relation is AB The FD A ->CEF is a partial functional dependency…

Q: QUESTION 6 Consider the following functional dependencies for a relation R(A, B, C, D) A -> (B, C,…

A: Candidate Key: A Candidate Key is a collection of attributes that enable tuples in a table to be…

Q: The type of algorithm in which decomposition of relation schema is constructed from other specific…

A: Certain algorithms are used to create relational decomposition from a set of relationships in…

Q: Generate a set of relations and functional dependencies which IS in BCNF, but IS NOT dependency…

A: BCNF decomposition may not always be possible for dependency preserving. For example a relation R…

Q: Q2. Given a relation R( P, Q, R, S, T, U, V, W, X, Y) and Functional Dependency set FD = { PQ → R, P…

A: the answer is with full explaination is given below

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

A: Given a set of functional dependencies on a relational schema and we need to give a BCNF…

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: QUESTION 6 Consider the following functional dependencies for a relation R(A, B, C, D) A -> (B, C,…

A: A super key whose any proper subset is not super key is called candidate key.   closure table : (A)+…

Q: Defined the relational algebra operations as follows: SELECT (p, R) is equivalent to σp(R)…

A: we have to write a SQL statement for the given relational algebra. PROJECT (<STUD_ID,…

Q: Choose the resultant relation(s) after transforming the below ERD. A2 A1 A3 ENTITY A Rel O A.…

A: A relationship between two entities of a similar entity type is called a recursive relationship.…

Q: Exercise 8.4.3: Composition of relations and arrow diagrams. The arrow diagrams for relations A and…

A: Hey there, I am writing the required solution based on the above given question. Please do find the…

Q: Consider the schema R = (A, B, C, D, E, G) and the set F of functional dependencies:A → BCBD → ECD →…

A: The functional dependency CD → AB can also be written as follows: CD → A CD → B Now, CD+ = {C D A B…

Q: Book relation in? Why? (b) Decompose Book info 2NF relations. (¢) Decompose Book into 3

A: I have given solution below

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: Given R ={A, B, C, D}, and the set of Functional dependencies A→BC, B→D. (a) Is the decomposition…

A: The Functional dependency we have are A->B A->C B->D A->D A)  If we decompose the…

Q: For this question, short answers (1-2 sentences) are sufficient: A. Explain the difference between a…

A: Below is the answers of both questions. I hope this will be helpful for you..

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: Question 1 Map the following ER diagram into a clear relation schema.

A: Solution-

Q: SIf a decomposition of a relation R into R¡ and R2 is lossless, then which of the followings are…

A: If a decomposition of a relation “R” into “R1”, and “R2” is lossless then it produces “R” by…