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Subquery - Coldfusion Database Access

I am trying to update a table with data in a "look up table." Specifically, I have a table that contains zip codes but is missing both city & state fields. The zip codes are 9 digits (5 digit zip code followed by 4 zeros) in one table & 5 digits in another. I cannot seem to join the 2 tables because of the discrepency in values. I've tried regexp with no luck. Any suggestions would be greatly aprreciated....

  1. #1

    Default Subquery

    I am trying to update a table with data in a "look up table." Specifically, I
    have a table that contains zip codes but is missing both city & state fields.
    The zip codes are 9 digits (5 digit zip code followed by 4 zeros) in one table
    & 5 digits in another. I cannot seem to join the 2 tables because of the
    discrepency in values. I've tried regexp with no luck.
    Any suggestions would be greatly aprreciated.

    Ruszaj Guest

  2. #2

    Default Re: Subquery

    The syntax is database specific, but you want to do something like this:

    update t1
    set city = t2.city, state = t2.state
    from t1 join t2 on zipcode = substr(t2.zipcode, 1, 5)
    where city is null

    Originally posted by: Ruszaj
    I am trying to update a table with data in a "look up table." Specifically,
    I have a table that contains zip codes but is missing both city & state fields.
    The zip codes are 9 digits (5 digit zip code followed by 4 zeros) in one table
    & 5 digits in another. I cannot seem to join the 2 tables because of the
    discrepency in values. I've tried regexp with no luck.
    Any suggestions would be greatly aprreciated.



    Dan Bracuk Guest

  3. #3

    Default Re: Subquery

    Thanks!:D
    Ruszaj Guest

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