sql - How to return a boolean value for multiple ranges of numbers? -


i trying use iif function create dummy variable in make table query in access '13 , running problems on how construct ranges.

essentially, have 3 columns of categorical data in table numbers ranging 1 through 9 correspond data. want return boolean if values of 3 columns between 4 , 9.

this have tried , returns column of true values, know not case. nonmetro: 

iif((4>=[beale versions together]![1983 rural-urban continuum code]<=9)  , (4>=[beale versions together]![1993 rural-urban continuum code]<=9) , (4>=[beale versions together]![2003 rural-urban continuum code]<=9),1,0)

you can use logic expression:

codesare4to9: [beale versions together]![1983 rural-urban continuum code] between 4 , 9  ,  [beale versions together]![1993 rural-urban continuum code] between 4 , 9  ,  [beale versions together]![2003 rural-urban continuum code] between 4 , 9

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