
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Question
how to select 2 table like csv1 and csv2 become result? do it in sql

Transcribed Image Text:CSV 1
user_id_sender
user_id_recipient
image_id
like
user002
user001
image001
user003
user001
image001
1
RESULT:
user004
user001
image001
user005
user001
image001
user_id_sender
age_sender
gender_sender
user_id_recipient
age_recipient
gender_recipient
image_id
like
user002
user001
image002
user002
30 Male
user001
image001
1
28 Female
user003
user001
image002
1
user003
18 Female
user001
28 Female
image001
1
user004
user001
image002
1
user004
40 Male
user001
28 Female
image001
1
user005
user001
image002
1
user005
30 Female
user001
28 Female
image001
user001
user002
image003
user002
30 Male
user001
28 Female
image002
1
user003
user002
image003
1
user003
18 Female
user001
28 Female
image002
user004
user002
image003
1
user004
40 Male
|image002
user001
28 Female
user005
user002
image003
1
user005
30 Female
user001
28 Female
image002
1
user001
28 Female
user002
30 Male
image003
CSV 2
user003
18 Female
user002
30 Male
image003
user004
40 Male
user002
30 Male
image003
1
user
age
gender
user005
30 Female
user002
30 Male
image003
user001
28 Female
user002
30 Male
user003
18 Female
user004
40 Male
user005
30 Female
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