is there recommended order to name fields in select statement to quicken 
search results?

for example when searching through the population of the US

searching_people = db((db.country==US) & (ssn=='111-11-1111'))..select(
limitby=(0,1)).first()

the second field, ssn is a narrower search than the the first. The first is 
the whole country.

does it make any difference if I put country field first or ssn field when 
building select statements?  

thanks

Alex Glaros

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