,3,4). Which of the following functional (-->) and multivalued  (-->>) dependencies can you infer does not hold over rela

Q: Consider the following relation R with attributes A, B, C, D, and E: R(A, B, C, D, E) Given the…

A: Decomposition of a relation into higher normal forms is a critical step in database design to…

Q: b) Consider the following relation R2 and set of functional dependencies F2 R={A, B, C, D, E, F, G,…

A: Dear Student, The answer to your question is given below -

Q: Which of the followings can possibly be a canonical cover Fc of a set F of functional dependencies?…

A: The answer to this question is option b) {A → D, AB → C, D → B} and d) {A → C, D → B, AB → C}

Q: Primary key of this relation is AB. What is the normal form of this relation given the following…

A: Given all attributes are atomic, hence it is in first normal form.   Primary Key is AB. So prime…

Q: Let R(A,B,C,D) be a relation with the set of functional dependencies F={AB->C,C->D). Decompose the…

A: Answer is

Q: 3. Disprove the following rule: {B > CD, AB → E, E → C} |= {AE → CD} To disprove a rule, construct a…

A:

Q: Given a set A = {1, 2, 3, 4}, which of the following relations is a partial order relation and which…

A: In this question we have been given some relations and we need to determine which relations are…

Q: • Let A be the set A={a,b,c,d} and R is a relation on set A, where R= { (a,a), (a,b) ,(b,a),(b,b),…

A: A = {a,b,c,d} R= {(a,a),(b,a),(b,b),(c,d),(c,c),(d,d)}

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: Consider the relations r1(A, B, C), r2(C, D, E), and r3(E, F), with primary keysA, C, and E,…

A: Consider the relations r1(A, B, C), r2(C, D, E), and r3(E, F), with primary keysA, C, and E,…

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: Suppose R(A,B) is a relation schema with no constraints. Currently, R has 3 tuples: (1,2), (2,3),…

A: answer to the above question is in step2.

Q: dentify the set of functional dependencies in the relation instance CAR shown n

A: Actually, data base is used to stores the data.

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: 2. Relation R(a,b) contains the following tuples: (1,2), (1,3), (1,4), (2,3), (3,4). and (4,5).…

A: The Answer is in Below Steps

Q: Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has…

A: r1 requires 800 blocks and r2 requires 1500 blocks. Let assume M pages of memory. If M > 800, the…

Q: Now start with these functional dependencies: АВ > Е C → D F → GH FG → GH В > FG Find a minimal…

A: A) AB ->E, C->D, F->GH, FG->GH, B->FG Here in FD FG->H, we can delete G from RHs…

Q: In the following, assume that A = {a,b,c,d} and that R : A ↔ A. Determine whether each relation is…

A: These are the some important term which are used to derive the following properties:-

Q: We studied different properties of relations like reflexive, symmetric, antisymmetric, transitive.…

A: Lets see the solution in the next steps

Q: Suppose that R is the following relation on the set A = {1,2,3,4}: R = A × A – {(1, 1), (2, 2), (3,…

A: The Cartesian product is a mathematical operation that takes two sets and creates a new set…

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

A:

Q: ! A Relation R (X, Y, Z, S, T) with functional dependencies F(X YZ; ZS T;Y-SB T-X). A. Find F" for…

A: We are given a relation R with their functional dependencies. First we are going to find out their…

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

A: Now we must determine the above definition whether for each FD. Each value is super key or not on…

Q: Question 3 Consider a relation A(P, Q, R, S, T) with following functional dependencies. i.Р— QR ii.…

A: Relation: f a purposeful dependency X->Y holds true whereverY isn't a set of X then this…

Q: 5. Let R = (A, B, C, D, E) be a relation scheme with the following dependencies- AB → C C → D B→ E…

A: For the given relation R = (A,B,C,D,E) we are gien three dependencies. AB->C C->D B->E   We…

Q: Consider the following relation: R (A, B, C, D, E, F) You are given the following list of functional…

A:

Q: Given the relation R (A, B, C, D, E) and the following set of functional dependencies: F = {ABC,…

A:

Q: 8. Consider the following relation instance of the CAR relation schema: CAR Model #cylinders Origin…

A: Actually, database is a used to stores the data.

Q: Consider the following Relation instance of R1(A, B, C, D): A D Null Null 1 Null Null 1 1 Null 1 2 4…

A: A relation stores data about entities using database languages. The structure of a relation is…

Q: Assume we have two relations R(A,B) and S(B,C). All three attributes (A, B, and C) are integer…

A: Given:

Q: A decomposition of a relation R into Rị and R2 is dependency preserving, if - (a) R can be…

A: Answer: The correct option is “(d) All of them”