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Subquery

Author

Topic

mary H
Starting Member

32 Posts

Posted - 2008-10-10 : 01:45:29

I need to list a dog_id and name for each dog that has been placed one or more times.

I have two tables dog and place.

Dog table looks like this:

Name /dog_id
Rocky/1021
Bee/2012
Rose/3014
Lilly/401
etc...

Place table looks like this:

dog_id/place
1021/1
2012/2
3014/3
1021/1
2012/3

I need a subquery to check which dog has been placed one or more times.

Any ideas

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-10-10 : 01:59:39

[code]SELECT d.*
FROM Dog d
JOIN (SELECT dog_id
FROM Place
GROUP BY dog_id
HAVING COUNT(place)>=2)t
On t.dog_id=d.dog_id[/code]