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  3. April 2012

Re: Sql muddle

select client, min(childAge), max(childAge) from table where min < 20 and max > 20 ...

Dave wrote:

Hi,

I'm getting in a real twist with this one :

Given a table with a client and his children with their dates of birth, I
want to select those clients having at least one child aged over 20 AND at
least one child under 20.

The answer would be very much appreciated.



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