2 Given two sequences A and B. Let X(A, B) denote the number of times that A appears assubsequence of B i.e. sequence ab appears 4 times as a subsequence of aebabdb. Let A; denotes thefirst i characters of string A and A[M denote the Ah character. Which of the following will computes therecurrence relation C(A, Bj )?CIA, B,) = {0:if (i = 0)if ( > 0 and j= 0)AA, B,); if A[i] # BU]a. VQĄ, B) + CIA 1. B,); if A[i] = B&]+ CA 1. B); if A[i] = BU]%3DQA1. B); if A[i] = BUJCA, B) + CA, . B,,); if A[i] = B[]aA, B, ); it A[i] = BU]aA, B,) + CIA, 1. B); if A[s] # BU]%3Db.%3D%3DC.d. None of the above

m: Length оf str1 (first string)n: Length оf str2 (seсоnd string) If lаst сhаrасters оf…

Given two sequences A and B. Let X(A, B) denote the number of times that A appears as subsequence of B i.e. sequence ab appears 4 times as a subsequence of aebabdb. Let A; denotes the first i characters of string A and A[ denote the Ah character. Which of the following will computes the recurrence relation C(A, Bj )? [13: if (i = 0) CIA, B,) = {0: if (i>0 and j 0) aA, B); if A[i] # BU) a. V AA, B,) + CA, 1. B,,); if A[i] = BU] aA,. B); if A[t] = BU] %3D %3D b. aA, B,) + CIA, . B,,); if A[i] = BU] CA, B, ); if A[i] = BỤ] %3D C. CĄ, B) + CIA, 1. B); if A[i] # BU] d. None of the above

Given two sequences A and B. Let X(A, B) denote the number of times that A appears as subsequence of B i.e. sequence ab appears 4 times as a subsequence of aebabdb. Let A; denotes the first i characters of string A and A[ denote the Ah character. Which of the following will computes the recurrence relation C(A, Bj )? [13: if (i = 0) CIA, B,) = {0: if (i>0 and j 0) aA, B); if A[i] # BU) a. V AA, B,) + CA, 1. B,,); if A[i] = BU] aA,. B); if A[t] = BU] %3D %3D b. aA, B,) + CIA, . B,,); if A[i] = BU] CA, B, ); if A[i] = BỤ] %3D C. CĄ, B) + CIA, 1. B); if A[i] # BU] d. None of the above

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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