a) Why is normalization important in database design?

Q: Given a set of FDs for the relation schema R(C, A, N, D, Y) with the candidate keys (CN), (DN)). •…

A: Functional Dependency It is a constraint that determines the relation of 1 attribute to some other…

Q: Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH -> G, A ->…

A: Actually, given information Relation R has eight attributes ABCDEFGH. Fields of R contain only…

Q: Question 23. The database interface of a library allows searching only for a single attribute (such…

A: GIVEN: It is given that a database interface enables users to search only for a particular field in…

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

A: f ={     AB → C,      A → D,      B → F,  F → GH,  D → IJ   } To find the key check the RHS of the…

Q: Consider a schema  R={A,B,C,D,E} and the following set of functional dependencies: {AB-> C,…

A: To find whether the relation is in BCNF or not, it must fulfill all the conditions given…

Q: Consider the following Relation (R) and its Functional dependencies. R(0, μ, y, α, B), {0, µ} → {a},…

A: Candidate key is Qu As per guidelines solve only first question please repost question as a…

Q: Given the following relation schema R(B, N, O, A, T, C) and the set of functional dependencies F =…

A: F = {C-->OT, O-->AC, CN-->B, CB-->A, B-->N}: R(B, N, O, A, T, C)

Q: Problem 3 Consider the relation R = {A, B, C, D, E, F,G, H, I, J} and the set of functional…

A:

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

A: I have given an answer in step 2.

Q: QUESTION 8 Here's a relation (R), its attributes, and its functional dependencies (F): R(A, B, C, D,…

A: A functional dependency is defined as if in a relation A→B , the values in attribute A have the same…

Q: Define CAP theorem for NOSQL Database. Define C, A, and explain why can't be satisfied all the three…

A: Distributed System: This network of multiple nodes replicates data to store them in multiple nodes…

Q: Given the following relation R and its functional dependencies, what is the key of R? R(A, B, C, D,…

A: Key is basically which closure determines all the attributes A-->B B-->E E-->C Using…

Q: Will functional connections be retained if a relation is transformed into a temporal relation by…

A: Find the answer given as below :

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

A: According to question, There is a relation R = (A, B, C, D, E, G) with F of functional dependencies:…

Q: Given a relation schema R = (A, B, C) and its functional dependencies F = {A →B, B→ C). Suppose R is…

A: Answer is given below-

Q: 1. Consider a schema R = (A, B, C, D, E). Assume that the following set F of functional dependencies…

A: The closure of attribute A is a set of those attributes which can be functionally determined by A…

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

A: Candidate Key: A minimal super key is known as the Candidate key. Superkey refers to the attributes…

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

A: A relational schema R with the set of functional dependencies

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: 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: Computer Science Given the relation R (A, B, C, D, E, F, G) and the set of functional dependencies:…

A:

Q: Problem 1 Convert the following relation to 2NF, and then to 3NF. Show both conversions. (h, n, c,…

A: 2NF: A relation is in 2NF if it is already in 1NF and all functional dependencies should be full…

Q: Consider a relation schema R = {A, B, C, D, E} and its functional dependency set F = {A → B,CD → E,B…

A:

Q: g set of five functional dependencies which hold on R: A → B A C BD → E EC → A E →G ompute the…

A: Closure (CE) = { C, E, G, A, B} Closure (AD) ={A, D, B, C, E, G}

Q: Consider the relation R = {F, T, D, N, S} and the set of functional dependencies K = {F¬D, {D, T}…

A:

Q: in a database system the functional dependency preservation within relations is critically…

A: If in a database system the functional dependency preservation within relations is critically…

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

A:

Q: Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VW->XY, V->X,…

A: Given, The relation schema R=VWXYZ, with the set of functional dependencies F = { VW → XY, V → X, W…

Q: Consider the universal relation R (A, B, C, D, E, F, G} and the set %3! of functional dependencies F…

A: The Relation given is : R = { A, B, C,D ,E, F, G} And the functional dependencies are: B,C --> A…

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: Question 2 1. Given R (A, B, C, D, E, F) and the following set of functional dependencies: F =…

A: As per our guidelines, we are supposed to answer only 1st three parts. kindly repost the remaining…

Q: Computer Science Given these two relational schemas and sets of functional dependencies: 1)…

A: Answer: I have given answered in the handwritten format in brief explanation

Q: Consider a schema R = {A,B,C,D,E}and the following set of functional dependencies: {AB → C,C → D,D →…

A: To find: To find whether the given function is Boyce-Codd normal form or not.

Q: Consider the relation R = {F, T, D, N, S} and the set of functional dependencies K = {F¬D, {D, T}…

A: Answer : { T , N } is a key of Relation R .

Q: Given a relational schema, R(A, B, C), and set of functional dependencies over R, F = {A → B, AB →…

A: a)A is not the super key, hence it does not represents the relation uniquely The super key will be…

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

A: Given schema is:  R = (A,B,C,D,E,G) whereas set of functional dependencies are: Candidate Key: The…

Q: Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VW->XY, V->X,…

A:

Q: Propose a relation schema for storing the access rights associated with user groups in a distributed…

A: Authentication for Distributed Systems The main concern in creating a secure distributed system is…

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

A: Candidate keys are the set of smallest essential attributes that can generate all the values in the…

Q: If your database system supported both a static and a dynamic tree index (say, ISAM and B+ trees),…

A: Introduction In this question we will discuss whether we will consider using the static index in…

Q: B, C, D, E, G, H}, satisfying the functional dependencies F = {E → G, E → H, G → H, A → BC, BC → D,…

A: As per answering guidelines, solving the first 3 question completely.  A)  E → G, E → H, G → H, A →…

Q: Will functional dependencies be preserved if a relation is converted to a temporal relation by…

A: Answer: Functional dependencies might be violated when a relation is enlarged to incorporate a time…

Q: Consider a relation schema R = {A, B, C, D, E, G} and its functional dependency set F = {A → BCD,BC…

A: Given: R = {A, B, C, D, E, G} F = {A → BCD, BC →DE, B → D, D → A}   B+ is basically a closure of B.…

Q: ideas 9. Suppose relation R(A,B,CD) has the following functional dependencies 1-B, B- C, BC A, A D,…

A: The answer is

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

A: In a lossless join decomposition, Relation R is decomposed into two or more relation and must…

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: Consider the schema R = (A, B, C, D, E, G, H) and the set F of functional dependencies:AB → CDD →…

A: 3NF decomposition: Any relation is said to be in 3NF if it follows following characteristics: The…

Q: Consider relation R(A,B,C,D,E,F) with functional dependencies: {C,D,E)→ {B} (A,C,D] → [F] [B,E,F] →…

A: The following solution is

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

A: Explanation: