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how to do this qustion in sql (2)

Posted on 1998-12-10
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Last Modified: 2010-03-19
hi, here is another question. I am learning sql now so I have many unclear question.
say like this table:
name ticket
chris 01
chris 02
chris 03
kim 04
kim 03
Gal 03
Gal 04
Gal 05

find the person who has every ticket that Kim has.
in this case it will be: Gal
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Question by:ny971181
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by:
cognition earned 200 total points
ID: 1092215
SELECT t1.name
FROM tickets t1, tickets t2
WHERE t1.ticket = t2.ticket
AND t2.name = "Kim"
AND t1.name <> "Kim"
GROUP BY t1.name
HAVING COUNT(*) >= (SELECT COUNT(*) FROM tickets WHERE name = "Kim")


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Author Comment

by:ny971181
ID: 1092216
PERFECT, SEE I LEARNED HOW TO USE SELF JOIN!!
THANK YOU!
MAY BE YOU KNOW HOW TO DO THE OTHER ONE TOO
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