Convert the following relation to 2NF, and then to 3NF. Show both conversions. Remember to include foreign keys. R (h, n, c, a, f, k, p, r, g, i, m, b, o, d, j, l, s, e)   Functional Dependencies:   p -> j                                   m, b -> l                              h ->g                                  n -> p                                  n -> o                                  c -> i             n -> j                                   p -> o                                  h -> d            s -> e                                            a -> r

Q: Consider the relation schema R (A, B, C, D, E). Find number of super keys if A, CD and BE are the…

A:

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: MCQS In RDBMS, each attribute is represented only even for foreign keys true false   To convert a…

A: 1)The correct answer of the question is option("True") EXPLANATION⦁ In short, a foreign key is a…

Q: Question 1 Suppose you are given a relation R = (A, B, C, D, E) with the following functional…

A:

Q: A relation r(A, B, C) had multi-valued dependencies among all its attributes. It was decomposed for…

A: According to the information given:- we have to find out the mentioned example of what kind of…

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: 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: AC→D, AB→C, AB→D, AB→E

A: Option C: Third normal form

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: 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: 5. Consider a relation R(A, B, C, D, E) with the following dependencies: AB → C, CD → E, DE → B

A: Given:  Consider the relation R(A,B,C,D,E) with the following dependency: AB -> C  CD -> E  DE…

Q: A relation r(A, B, C) had multi-valued dependencies among all its attributes. It was decomposed for…

A: As given above the table has multivalued dependencies among all its attributes. so 4NF is the normal…

Q: Q2: When the following FDs are defined in R(A, B, C, D), А — D, CD — В, А —— С (1) Identify the…

A: Defined the given functional dependencies

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…

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: 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: 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: 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: 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: A relation r(A, B, C) had multi-valued dependencies among all its attributes. It was decomposed for…

A: 1) 4NF: A relation R is in 4NF if and only if the following conditions are satisfied: It should be…

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 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: 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: Q1:- 1- Find superkeys, candidate keys, primary keys, alternative keys in the following CAR relation…

A: Candidate Key: A candidate key refers to a column or combination of columns which uniquely…

Q: A set of many-to-one connections may be used to construct a link similar to the second course. Does…

A: Many-to-one Relationship: For example, if one department can employ multiple people, the department…

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

A:

Q: What is the highest normal form for the following relation and its functional dependencies? Assume…

A: A(x , w ,z) x->w functional dependency  is a relationship between two attributes, typically…

Q: 1. Consider the relational schema part (part_id, name, cost) subpart (part_id, subpart_id, count) A…

A: Introduction

Q: Consider the following relation: r (A1, A2, A3). For all the states of the relation, the result of…

A: Query : database query is a request for data from a database. Primary key :  Primary key constraint…

Q: a ->f ab -> cd C->e de -> b bf -> ae a) Identify the weakest normal form that each of these…

A: A)  Primary key is ab.  The functional dependency a->f is a partial functional dependency. It…

Q: Suppose RR is a relation with attributes A1,A2,…,AnA1,A2,…,An. How many superkeys will RR have if…

A: Given RR is a relation with attributes A1,A2,…,An  a) The only candidate key is A1 b) The only…

Q: Write a relational algebra expression that is equivalent to the following SQL statement: SELECT…

A: Given SQL statement is, SELECT AVG(SALARY) , COUNT(*) FROM EMPLOYEE WHERE  GENDER = 'M' GROUP BY…

Q: . Normalize the table T up to BCNF. Clearly show your steps and state all Primary and Foreign keys.…

A: The answer for the above question is as follows

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: Decompose the relations, as necessary, into collections of relations that are in BCNF. R(A,B,C,D)…

A:

Q: Consider the Relation R4 = (A,C,B,D,E,F), with Functional Dependencies: A -> B, C -> D, E -> D. What…

A:

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

A: Key of relation,relation in BCNF and dependency preserving decomposition

Q: Identify all the functional dependencies in the following relation with columns A, B, C, and D…

A: a.A→B : doesn't hold. Since values that repeats in A doesn't have same value in B b.A→C : doesn't…

Q: Consider R1(A, B, C, D) with the above functional dependencies. What would be a candidate key for…

A: The complete answer is given below

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: Consider the following sets of functional dependencies over a relation R(A,B,C). F1 = {A → B, B C}…

A: functional dependency (FD) is a relationship between two attributes, typically between the PK and…

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: 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: A relation r(A, B, C) had multi-valued dependencies among all its attributes. It was decomposed for…

A: Answer: As we know that the multi-valued dependencies among the attributes are handled by 4NF. So…

Q: QUESTION 9 A relation R(M, N, O, P, Q) is in 2NF and has the following functional dependencies: • MN…

A: Dear Student, As MN derives O and O derives P and also Q thus MN derives M,N,O,P,Q. Thus MN is a…

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: 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: Consider the relation R (A, B. C, D) with the functional dependencies (A)->[B) and (C)->D). Which is…

A: Step 1: Determine the attributes that are neither on the left side nor on the right side of any…

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

A: Explanation:

Q: For each question in this section, you are required to decompose the given relation into BCNF form…

A: BCNF : Boyce-Codd Normal Form or BCNF is an extension to the third normal form. For a table to…