RA Rc RB B R (b) (a) RẠC RAB (RBC B (c) Figure 6.29 Representation of a ternary relationship using binary relationships.

Q: Let X = {0, 1}. (a) List (as subsets of X X X) all possible relations on X. This answer has not been…

A:

Q: Define two sets: a letter set A = {t. p. c) and a word set B = {proposition, math, proof, discrete).…

A:

Q: Let a bus timetable be represented by a list of routes where each route is repre- sented by…

A: I Have answered this question in step 2.

Q: For a modulus n > 1, consider the relation on Z where two integers x and y are considered kn for…

A: Dear learner, hope you are doing well, I will try my best to answer this question. Thank You!!

Q: Consider the relation R defined on the set Z x Z: R = {((a,b),(c,d)) | a = c (mod 4) a b = d (mod…

A: given that

Q: Every baby is the result of a unique birth, and every birth is of a unique baby. 2. In addition to…

A: Every entity and attribute share some kind of relationship between them. It can one on one…

Q: Consider the relation R(S, N, R, C, J, H, L) and its set of dependencies F = {S, N -> C ; J, H, C ->…

A: using Armstrong's axioms=> proved in figure figure 1:

Q: Given: Relation R = {(a,c), (b,c), (c,c)} and Set S = {a, b, c} %3D Complete Relation R to be…

A: Given: To make the relation R symmetric.

Q: Correct and detailed answer. I will Upvote. Thank you   An Association Rule is an implication…

A: The number of unique items is 12. for n items, we can make 2n item sets in which one will be empty…

Q: 3. Meaning of FD Consider R= (ABCDE), F = {A>BC, CD→E, B→ D, E → A}. Assume the domains of all…

A: Given,  R = (ABCDE) A→BC CD→E B→D E→A The domain of all attributes are integers

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: Flocking can be used to solve a path-finding problem for a group of entities by having the leader…

A: Flocking, as a technique for solving path-finding problems for a group of entities, can be effective…

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: In Section 6.9.4, we represented a ternary relationship (repeated in Figure6.29a) using binary…

A: Given: In Section 6.9.4, we represented a ternary relationship (repeated in Figure6.29a) using…

Q: The relations from Exercise 3 are:  a. (1,1), (1,3), (2,2), (3,1), (3,3) b. (1,2), (2,2), (3,2)…

A: - We need to create directed graphs from the list provided.

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: 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: Question 9: The maximum number of superkeys for the relation schema R(E,F,G,H) with E as the key is…

A: The maximum number of superkeys for the relation schema R(E,F,G,H) with E as the key is 8. Option 4…

Q: 7) Provide a step-by-step lossless decomposition of R into BCNF normal form.

A: Answer

Q: c) Find Un V. d) Find T-S.

A: The intersection of two sets A and B, denoted by A∩B, consists of all elements that are both in A…

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: Data Structure and Algorithm: Choose any two (2) properties of a binary tree or a graph and…

A: Solution: Sure, here are two properties of a binary tree and their implementations in Java:…

Q: For the empirical and numerical relation system of Example 2.5, write a numerical assignment satisfy…

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

Q: Exercise 19.13 Consider a relation R with five attributes ABCDE. 1. For each of the following…

A: (a) { } (i.e., empty relation): does not violate either dependency. (b) {(a,2,3,4,5), (2,a,3,5,5)}:…

Q: You are given the table raptors(e,0,s,h,a,w,k) with the indicated seven fields. You are also given…

A: a) lets consider some FD's a->w,k o->h,a g,s->h,a,w,k,o For a FD to be in 2NF it should be…

Q: Let S = {1,2,3}. Let be the relation on S x S defined by (a, b) ≤ (c,d) a ≤ c and b>d (a) Show that…

A:

Q: 2. Let R be the binary relation on A= {a, b, c} with the graphical representation shown below: a…

A: To check reflexive, symmetric and transitive nature of graph.

Q: Let A={g.b.c.d.e} and S, T, U and V relations on A where S = {(aa), (ab), (bc), (kd), (ce), (ed),…

A: Answer is C

Q: Refer to image and answer correctly for upvote! (Automata and Computation)

A: An equivalence relation must satisfy three properties:1. Reflexivity: Every element is related to…

Q: Let S = {1,2,3}. Let be the relation on Sx S defined by (a, b) ≤ (c,d) a ≤ c and b>d (a) Show that…

A:

Q: SELECT AVG(EC. Num) FROM EC WHERE (DeptName, Num)IN (SELECT DeptName, COUNT(Empld) AS EC(DeptName,…

A: The following query results the

Q: Suppose we have table T with fields A, B, C, and D, with FD A→ C. Decomposing to BCNF would give…

A: Option (a) T1: A, B, C and T2: B, D violates the BCNF as attribute B is not a candidate key and it…

Q: 2.Consider relation R=(A,B,C,D) with the following FDs: B → C, C → D, and D → A a. List all…

A: 2. Given, Relation is R = (A, B, C, D) The set of functional dependencies given is :  B -> C C…

Q: 14 Data structure is the basic unit of data.

A: to determine whether the given statement is true or false:

Q: Implement in Python / Java

A: Lossless JOIN property allows to create  a table of relations and insert values in the form of bij…

Q: Consider the relation R on Z? given by: R= {((a,b), (c, d)) : a + d = c+ b} Prove that R is an…

A: Z denotes set of all integers {....,-3,-2,-1,0,1,2,...} i.e, both positive and negative. So, Z2…

Q: Let R be the relation on the set {a,b,c,d} containing the ordered pairs (a,a), (a,c), (b,b), (b,c),…

A: Let R is a relation on a set A, that is, R is a relation from a set A to itself. Then R◦R, the…