Give a 3NF decomposition of the given schema based on cover. Give a BCNF decomposition of the given schema using the o of functional dependencies.

Q: Give an algorithm for testing whether a relation scheme is in BCNF. The algorithm should be…

A: The question has been answered in step2

Q: EXAMPLE 2.5 In Section 2.1.1, we noted that there can be many relations on a given set, and we…

A: Measurement in empirical and numerical relations is crucial for understanding attributes like…

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: Explain the First Normal Form (1NF) and provide an example of transforming an unnormalized table…

A: Effective database design is a cornerstone of data management, ensuring that information is…

Q: Does the difference between a laptop and a smartphone make a significant difference? Be specific and…

A: The purpose of a smartphone and laptop varies by a lot.

Q: what is the condition of union compatability and show two examples of schema in union compatability

A: Union compatibility  Union compatibility is a condition that must be satisfied when combining data…

Q: 1. There exists a relation S(A, B, C, D, E, F) with the below functional dependencies. {A}→{D}…

A: a. No, A,B is not a superkey. The functional dependency {A}>{E} implies that A is not a superkey.…

Q: Although the BCNF algorithm ensures that the resulting decomposition is lossless, it is possible to…

A: Instead of using BCNF, it is possible to have a lossless decomposition into 3NF itself. For this, it…

Q: Assume you apply a functional dependence in the BCNF decomposition technique to deconstruct a…

A: Intro Assume you apply a functional dependence in the BCNF decomposition technique to deconstruct a…

Q: Let R(ABCDE)  be a relation and  F={A→B, BC→E, and ED →A}. Decompose R into BCNF using BCNF…

A: Answer:)

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: Give examples of binary 1:N relationships, other than those in this text, for (a) an…

A: Given question has asked to give examples of binary 1:N relationships;      2. a) an…

Q: Explain the concept of domain-key normal form (DKNF) and its significance in the normalization…

A: Domain Key Normalization (DKNF) is a level of database normalization that focuses on maintaining…

Q: Show how to represent a 1:N recursive relationship in your answer to question 5.29. How does this…

A: Given: Show how to represent a 1:N recursive relationship in your answer to question 5.29. How…

Q: PQ → TY ii. P → QR iii. QST → R iv. STR → P   From the above functional dependencies, using…

A: Given:- i. PQ → TY ii. P → QR iii. QST → R iv. STR → P   From the above functional dependencies,…

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

A: Given schema R = (A,B,C,D,E,G) and set of FD's are             F =  AB --> CD…

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: For problem sets with purely nominal feature sets, vector space classification methods are generally…

A: In machine learning, feature sets comprise the various attributes used to describe a given data…

Q: Carry out some study about the positive and negative aspects of using the snowflake and star…

A: Inspection: Make a list of the benefits and drawbacks of the star schema vs the snowflake model.…

Q: Describe the Second Normal Form (2NF) and provide an example of a table that meets this…

A: Database normalization is based on the Second Normal Form (2NF), which is a fundamental idea. The…

Q: Consider a relation schema R = (X, Y, Z) on which the following functional dependencies hold: {XY-Z,…

A:

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

A:

Q: Using the primary key definitions from the 2NF and 3NF, order the generic definitions. Give a…

A: According to the information given:- We have to define using the primary key definitions from the…

Q: Minimization of a logical function with Weich maps:  Vm(0,1,2,3,4,5,6,7,10,13)

A:

Q: Question 1: FDs and Keys (a) Consider a relation schema R(A, B, C, D, E), and the set of…

A: Here in this question we have given a relation R. And also given set of functional dependenciesF =…

Q: From the given set of functional dependencies,determine that there can be more than one canonical…

A: Functional dependency is a relationship that is shown between two or more attributes of a table.…

Q: Classification approaches based on vector spaces are often ineffective for problem sets with only…

A: Given: The contiguity hypothesis serves as the foundational premise for the application of the…

Q: Suppose a relation schema R = (A, B, C, D) is decomposed into following relations R1(A,B,C) and…

A: A relation schema R is decomposed into R1 and R2

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

A: The given relation is lossless-join decomposition and not dependency preserving. Hence, correct…

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

A: Here in this question we have given a relation with some FDs. And we have asked to find out the all…

Q: let F, be a canonical cover for F, i:= 0; for each functional dependency a → ß in F. i:=i+ 1; R, :=…

A: Answer :