whay decision can be achieved by a fuzzy relation?

Q: Given the relation U below, use ordered pair notation to express the relation U o U. U o U = { Ex:…

A: To express the relation UoU (composition of relations U and U), find all pairs (x, y) such that…

Q: A relation R on a set S, defined as x R y if and only if y R x. This is an example of? a) reflexive…

A:

Q: 3. Suppose the relation R1(A,B) and R2(B,C,D) have the following tuples: A 1 7 2 4 9 B A T G C T B…

A: A theta join connects tables based on a relationship other than the equality of two columns. A theta…

Q: Suppose relation R(A,B) has 5 tuples, S(B,C,D) has 3 tuples, and T(M,N) has 4 tuples. Also, suppose…

A: Given R(A,B) has 5 Tuples, S(B,C,D) has 3 tuples , and T(M,N) has 4 Tuples

Q: Every aggregatic

A: Every aggregation relationship is an association Aggregation is a type of linkage between two or…

Q: DBMS

A: According to our policy we solve first one only. ============================== About BCNF: the…

Q: If the relation r has x tuples and relation s has y tuples, how many tuples are in r x s? A) x + y…

A: The answer is

Q: With a simple example, explain aproximiation and how it may be accomplished using a fuzzy relation

A: Fuzzy relation:

Q: Give an example of how one non-key property depends on another non-key attribute to function?

A: I have answered this question in step 2.

Q: Н.W: Al/ Which of these relations on {0, 1, 2, 3 } are equivalence relations, why? а) R1- {(0, 0),…

A:

Q: Given the relations U and S below, use ordered pair notation to express the relation So U. a b b

A: To express the relation SoU (composition of relations S and U), find all pairs (x, y) such that…

Q: Recursive Thinking: Relations You have a starting salary of $2000 per month with a 5% raise each…

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

Q: Given the following UML diagram: Student - studentID: String + getStudentID(): String + toString():…

A: Here is the java code of the above problem. See below step for code.

Q: oximiation, and how can it be performed using fuzzy rel

A: Introduction: Below describe the approximation and how can it be performed using fuzzy relation?

Q: The functional dependency noted as A - B means that the value of A can be determined from the value…

A: Functional dependencies are an essential concept in database management systems. They describe the…

Q: What precisely do you mean when you say that a dependence is transitive?

A: Different kinds of functional dependencies in DBMS: A relation between two properties of a related…

Q: b) Express the following relation using a set-builder notation R = {(1, 2), (2, 6), (3, 9), (4, 16),…

A: Set-builder notation is a mathematical notation for describing a set of representations.

Q: Let R be the relation R = {(a, b) | a < b} on the set of integers. Find a) R-!. b) R.

A: a)R-1

Q: Set of FDs:F = {A → B€, CD → E,B → D, E → A} Question: Is R in BCNF?

A:

Q: Let R(A, B, C, D, E) be a relation with the set of FD's: F = {D → C, C → D, D →A, C –→ A, E → C, E…

A: To find the canonical cover of F find the closures of left hand side variables we have F={…

Q: Explain principle of substitutability with suitable example?

A: Explain principle of substitutability with suitable example:

Q: 7. Write an algorithm that receives as input the matrix of a relation R and produces as output the…

A: Answer :-

Q: Write the query for implementing the following functions: MAX(),MIN(),AVG(),COUNT()

A: Given that Write the query for implementing the following functions: MAX(),MIN(),AVG(),COUNT() MAX()…

Q: DEL (30 %): Normalization: Let R bea relational schema and FR corresponding set of functional…

A: Tables are arranged using the normalization method in database architecture to lessen data…

Q: lation R on a set S, defined as x R y if and only if y R x. This is an example of? a) reflexive…

A: Introduction: A relation R on a set S, defined as x R y if and only if y R x. This is an example…

Q: has a and is are mutually exclusive relationship in oop true or false

A: Ans: False that has a and is are mutually exclusive relationship in oop.

Q: a discount policy: An insurance company has a policy of discounting its product to customers under…

A: step wise step statements in decision tree for the above context

Q: Q5) Consider the following Relation (T) which is a bag(Recall our discussion about bags an sets) P 1…

A: Relational Algebra which refers to the one it is a procedural query language which also it takes a…

Q: Please show the simulation of this problem. The simulation must be clear and understandable. Please…

A: Here's a high-level representation of the process:1. Initial State:  - Variables: A={1,2,3},…

Q: Match each of the following Set relationship representation with its corresponding ERD…

A: One-to-one − When only one instance of an entity is associated with the relationship. It is marked…

Q: database Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F 2…

A: Given: database Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F…

Q: What ů co- vovi ance 6 Suppose if there are 20 studenta Peight and weight are consistent then it is…

A: The Answer is

Q: write this in relation algebra:  SELECT s.sname FROM student s, reservation r WHERE s.sid!=r.sid

A: SQL statement to relational algebra is written in step 2.

Q: Given the relations U and T below, use ordered pair notation to express the relation To U. ToU =…

A: To express the composition of relations T and U (T o U) in ordered pair notation, we need to…

Q: XOR function mappings can easily be classified by decision trees. True False

A: The answer is

Q: If a set A has 7 elements, then the total number of possible relations on A is O 27 27 277 72

A: A set of N elements contains N2  ordered pairs of elements. Total possible relations will be 2N2…

Q: What benefits does the GROUPING SETS function offer over traditional GROUP BY clauses?

A: In the realm of relational databases, data aggregation and summarization are crucial operations for…

Q: Let R be the relation on A = {1,2,3,4,5} where R = {(1,1),(1,3),(1,4),(2,2),(3,1),(3,3),(3,4),…

A: Here is the solution which is mentioned below:

Q: 3. Give a Z expression for the set of all people ih iblings in the database.

A: Z expressions are used for finding out the particular entries in a database using the regex pattern…