In Figure 13.8, what are the common subsequence of X and Y having length six? (Select all that applies.) look at the picture sent  group of answer choices  a) GTTTAA b) CTAATA c) GTAATA 2. Which one(s) are the prefixes of the string P = "aaabbaaa" that are also suffixes of P? (Select all that applies.) Group of answer choices a)  'a' b)  'aa' c) 'aaa' d)  ' ' (=>an empty string)

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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Question

In Figure 13.8, what are the common subsequence of X and Y having length six? (Select all that applies.)

look at the picture sent 

group of answer choices 

a) GTTTAA
b) CTAATA
c) GTAATA
2. Which one(s) are the prefixes of the string P = "aaabbaaa" that are also suffixes of P? (Select all that applies.)
Group of answer choices
a)  'a'
b)  'aa'
c) 'aaa'
d)  ' ' (=>an empty string)
 
0
1 234
0000 0
100 1 1
20 0 1 1 2 2
3001 1 2 2
00
40 11
12
50 11 12
567 8 9 10 11 12
00000000
2
2
3
1 1
wwwNNN
22
22
6 0111222
70 1 1
2
80 1 1 2
90 1 1
2
10 0 1 1
1 1 1 1 1 1
222 22
2 3 3 3 3 3
2 23 3 3 3 3 3
3 33
33
4
4 4 4 4
2 333 33
3
4
3 4 5
2344 5
4
4 5 5
4
4
5 5
23
5 5
5
5
55 6 6
566
0 1 2 3 4 5 6 7 8 9
X=GTTCCTAATA
Y=CGATAATTGAGA
0 1 2 3 4 5 6 7 8 9 10 11
Figure 13.8: Illustration of the algorithm for constructing a longest common subse-
quence from the array L. A diagonal step on the highlighted path represents the use
of a common character (with that character's respective indices in the sequences
highlighted in the margins).
Transcribed Image Text:0 1 234 0000 0 100 1 1 20 0 1 1 2 2 3001 1 2 2 00 40 11 12 50 11 12 567 8 9 10 11 12 00000000 2 2 3 1 1 wwwNNN 22 22 6 0111222 70 1 1 2 80 1 1 2 90 1 1 2 10 0 1 1 1 1 1 1 1 1 222 22 2 3 3 3 3 3 2 23 3 3 3 3 3 3 33 33 4 4 4 4 4 2 333 33 3 4 3 4 5 2344 5 4 4 5 5 4 4 5 5 23 5 5 5 5 55 6 6 566 0 1 2 3 4 5 6 7 8 9 X=GTTCCTAATA Y=CGATAATTGAGA 0 1 2 3 4 5 6 7 8 9 10 11 Figure 13.8: Illustration of the algorithm for constructing a longest common subse- quence from the array L. A diagonal step on the highlighted path represents the use of a common character (with that character's respective indices in the sequences highlighted in the margins).
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