Let R and S be the following relations: R S А В С 3 1 2 13 2 2 3 1 А C D 13 2 1 2 3 2 3 1 3 2 1 Give tables for the following relations: 1. RAS 2. П[А, В](R) м П[А, С](S) 3. ПА, С](R) — П[А, С](S)

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: Complete the following clojure program to add two new family relations (Niece and Nephew) as well as…

A: A collection of instructions written in the Clojure programming language is called a Clojure…

Q: Select the following relations on that are transitive. {(a,b) a²> b} {(a, b) | a²b² (mod 7)}…

A:

Q: For each pair of functions below, select the correct answer for their relation in terms of orders of…

A: Big-O is a mathematical notation that expresses how efficient an algorithm is in the worst-case…

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: For the following number patterns write the recurrence relation i) 5, 8.2, 11.4, 14.6, …. ii) 400,…

A: Recurrence relation for above are:      i)  an  = an-1 + 3.2            ;  n >= 1     a0  = 5

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A: help plz i will rate you  discrete structure

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

A: Right Outer Join: When two tables are joined using Right Outer Join, all the records from the second…

Q: Relations 2. Given: Relation R1 = {(a,a), (a,b), (c,b), (c,e), (d,b), (d,e), (e,e)} %3D Relation R2…

A: Relation R1 = {(a,a), (a,b), (c,b), (c,e), (d,b), (d,e), (e,e)} Relation R2 = {(q1,q2), (q2,q3),…

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: Three relations are given to you, R1(A, B, C), R2(C, D, E), and R3(E, F). The primary keys for R1 ,…

A: a)  Consider the given three relations r1, r2, and r3. • In relational algebra joins exhibit the…

Q: Write the following CFG in Chomsky Normal Form. S → CaS | cSb c C→ abC | A | A A→ bAb |c

A: A context free grammar is in CNF, if the production satisfies one of the following conditions If…

Q: Let A = {a, b, c} Define a relation as follows: ARA = {(a, b), (a, c), (b, c)} To obtain the…

A: Symmetric closure of the set A={a,b,c}

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: Based on the following table and its functional dependencies, e NOT in Boyce-Codd Normal Form (BCNF)…

A: Below is the detailed and simplified solution for the above listed problem statement:

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: