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Thread: Better way to structure query?????????

  1. #1
    Join Date
    Dec 2006
    gold coast

    Talking Better way to structure query?

    I use this query to select the results out of a table depending on the latest date as submitted by a unique user. (data inserted into table automatically as a user fails to contact another, then the user can access the data in another page to view the contacts he/she has missed) query works fine, but plz advice if there's another way to write it so as to make it faster.

    FROM x INNER JOIN y ON x.ID = y.ID

    WHERE aID = 'passed string'
    FROM y AS IM2
    WHERE aID = 'passed string' GROUP BY CONVERT(varchar,Date,101),aID,bID)

    plzzzz help!
    Last edited by GoldCoast_Nerd; 01-21-2007 at 09:46 PM.

  2. #2
    Join Date
    Aug 2005
    The Garden State
    why not just select the max id for that user? is the date in there as the primary key, are there any keys associated w/ the column?
    Acceptable Use | SQL Forum FAQ | celery is tasteless | twitter

    celery is tasteless - currently needing some UI time

  3. #3
    Join Date
    Dec 2006
    gold coast

    Can't select max ID.

    Thanks for the reply, but i can't select max ID becoz if a user misses being contacted by another user two consecutive days, then i have to show that this user has to appear in the missed contact list twice and sorted by date i.e. latest date first. however i have to group becoz if i just select all the missed contacts for a certain user, then they'll c all users that tried to contact them and if a user tries multiple times in one day, they'll be shown in the list multiple times as well. thus i want to show only one contact attempt per day. the primary key is just a unique ID for the table.....
    plz help.

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