19. Consider the table “Articles” with its data. What would be the number of rows retrieved...
19. Consider the table “Articles” with its data. What would be the number of rows retrieved of executing the following query on this table?
SELECT * FORM Articles WHERE title LIKE “%s%”;
|
ID |
title |
journal |
issue |
year |
startpage |
endpage |
TR-ID |
|
42 |
Cuckoo Hashing |
JAlg |
51 |
2004 |
121 |
133 |
87 |
|
33 |
Deterministic Dictionaries |
JAlg |
41 |
2001 |
69 |
85 |
62 |
|
33 |
Deterministic Dictionaries |
JAlg |
41 |
2001 |
69 |
85 |
56 |
|
39 |
Dictionaries in less space |
SICOMP |
31 |
2001 |
111 |
133 |
47 |
|
57 |
P vs NP resolved |
JACM |
51 |
2008 |
1 |
3 |
99 |
|
77 |
What Gödel missed |
SICOMP |
51 |
2008 |
1 |
5 |
98 |
|
78 |
What Gödel missed |
Nature |
2222 |
2008 |
22 |
22 |
98 |
2
3
4
7
Homework Answers
Answer: 7
the query will return 7 records means all records because all records title contain letter 's'.
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19. Consider the table “Articles” with its data. What would be
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okay so here is my c++ code and the errors im really stuck on
fixing what i did wrong it seems to be the same repeated
error
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Hi it's python I imported a data which are so many words in txt
and I arranged and reshaped with alphabetically both rows and
columns
I was successful with these steps but I am stuck with next
step
below is my code and screenshot
import numpy as np
import pandas as pd
data=pd.read_csv("/Users/superman/Downloads/words_file2.txt",header=None)
df_input=pd.DataFrame(data)
df_output=pd.DataFrame(np.arange(676).reshape((26,26)),
index =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'],
columns =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'])
df_output.index.name="Start"
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