Hi all. Looking at the snippit of data records below, how would a 
person do a select that, using ID3 data, would return ID2 (and not 
ID1)?

Working from the bottom up, you can count on the two numerics of 
each record being bounded by the next record, ie 4 and 11 of ID2 
would enclose 7 and 8 of ID3... 1 and 12 of ID1 enclose 4 and 11 of 
ID2. 

So, if you only knew the values of ID3, how would you construct a 
select that only returned ID2?  I can do it in two steps (I think), but 
would rather one.

ID1,1,12
ID2,4,11
ID3,7,8

tia,

Ben Petersen
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