Relations 2. Given: Relation R1 = {(a,a), (a,b), (c,b), (c,e), (d,b), (d,e), (e,e)} %3D Relation R2 = {(q1,q2), (q2,q3), (q2,q4), (q3,q6), (q4,q5), (q4,q3), (q5,q4), (q6,q6), (q6,q5)} %3D Answer the following: a. Draw the graph representation of relation R1. b. Draw the graph representation of relation R2.

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

A: Given functional dependencies: BC -> DG CD -> F FG -> A 1. Closure of {ACD}+ is: {ACD}+ =…

Q: The relation R(A,B,C,D,E) has the following functional dependencies. A, B --> C B, C --> D C, D…

A: Answer for (A) and (B):

Q: B.  Draw the digraph of the relation on {a, b, c, d} 1.  {(a, b), (b, b), (b, c), (c, d), (d, a)}…

A: Digraph is a directed graph consists of a set of nodes and set of ordered pairs called edges. Here,…

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

A: Given relation with functional dependencies is: R(A, B, C, D) A -> (B, C, D), (A, D) -> (B, C)…

Q: 1. Given a relation model R, where U = {A, B, C, D, E}, F = {A->BC, C->D, BC->E, E->A}. The…

A: Note:- Please send the question once again if you wish to answer another question, as set out in the…

Q: 5 A 1 R 4 6 B 2 6 8 B 4 9 7 с 5 The full outer join has 3 NULLS. he left outer join has 4 NULLS. S…

A: In this question two tables are given as the R and SIt is asked to perform full outer joinright…

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: 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: HouseSale (houseID, agentID, dateSold, commissionRate, interestRate) Where: dateSold →interestRate…

A: Answer: Given  HouseSale(houseId, agenId, dateSold, commisionRate, InterestRate)…

Q: Write the relation matrix for the relation R on the set (a,b.c.d,e.f) which is defined as follows:…

A: Relation Matrix: Any relation can be represent using the matrix representation. The matrix contain…

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

A: Here, from the given functional dependency we have, {BC}+ = ADEBC {D}+ = BD   Hence here {BC} is the…

Q: a) R1 U R3. b) R1 – R2.

A: Notations used X U Y It implies that all values either exist in X or in Y. It is known as UNION…

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: Suppose you are given a relation R = (A,B,C,D,E) with the following functional dependencies: {CE ->…

A: Solution:   Given, Relational Schema- R{A, B, C, D, E} List of functional Dependencies are- CE…

Q: For each of the following pairs of expressions, give instances of relations thatshow the expressions…

A: R = {(1, 2)}, S = {(1, 3)}

Q: 3. Consider a relation R from X={1,2,3,4} to Y={a,b,c,d). R= {(1,b), (2,c), (2,d), (3,c), (4,a) }…

A: In this question we have to consider the relation R from  X = {1, 2, 3, 4} to Y={a, b, c, d} R =…

Q: let R be a relation defined on the set z by aRb if a < b. What property/properties are violated? A.…

A: EXPLANATION: Any relation R that is defined on a set A can be reflexive or symmetric or transitive…

Q: Select all binary relation properties that apply to the following relation: Equal magnitude: |x| =…

A: An algorithm is a stepwise that procedure is  for solving a specific problem in a  number of steps.…

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

A:

Q: Consider the relation R(A,B,C,D,E,F,G) with the following functional dependencies: A-CDE, B F.…

A: Given Data : Relation :- A,B,C,D,E,F,G Dependency :- A-&gt;CDE , B-&gt;F

Q: Let R₁ and R₂ be the relations on X={a,b,c}, R₁={(b,a), (c,b), (a,c) } R₂={ (a,c), (b,c)} R₁-¹= R₂ °…

A: In this question we have to find the R1 inverse and R2 * R1 where, R1 and R2 be the relations on…

Q: Write a relation algebra based on the following algebra: Book (BookID, Price, Year, Author,…

A: Relation algebra uses operators to perform the query. It provides the theoretical foundation for…

Q: A S 1 3 10 11 2 6 1 4 6 8 C 5 7 9 D O a. The right outer join has 2 rows. O b. The right outer join…

A: Left Outer Join: A left outer join is a type of join operation that combines records from two tables…

Q: Consider the following relation. Instructor (ID , name, dept – name, salary) Department (dept – name…

A: 1) SELECT name FROM Instructor WHERE salary= MAX(salary) GROUP BY dept-name;   2)  SELECT  dept-name…

Q: Q4.Given A={1,2 , 3} and B={a, b} provide 1 possible relation from A to Bi.e., ARB. Q5. Given A={1,…

A: Given: As per our policy, "Since you have asked multiple questions, we will solve the first question…

Q: The ecumence relaton T-2 Te) - 37 a hat the selatien Ra wtien Tau

A: The answer for T(n) is equal to

Q: Let X= {4,5,6}.If we define a relation R on X by (x,y) ER if x<y, x,yEX, then R=

A: Solution is given in next step: