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Unmatched values from two queries

  1. #1
    andy49's Avatar
    andy49 is offline VIP
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    Unmatched values from two queries


    I know itís fairly easy to get a list of values from one table, leaving out the repeated values in another but what if they are both queries.

    I have....


    Query1

    field1 auto
    field2 numeric
    field3 numeric (both foreign keys)

    query2

    similar but less data.


    All I want is the data from query1 where field2 and field3 donít match records in query 2

    Can I use sql to get this?

    i tried unmatched query wizard but this only looks at one field for a match.
    Andy to all.
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  2. #2
    JoeM is offline VIP
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    i tried unmatched query wizard but this only looks at one field for a match.
    Easy way.

    Create the unmatched query, basing it on just one field (field2).
    Then simply open up the new query, and manually create the join for field3 (by clicking on the field3 table in one query and dragging and dropping to field3 in the other table).
    You will need to edit the Relationship type, setting it up so the arrow points in the exact same direction as the one for field 2 does.
    That's all you have to do!
    Using Access 2007
    Proficient in Access, Excel, VBA, and SQL

  3. #3
    andy49's Avatar
    andy49 is offline VIP
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    Thanks Joe. I'm trying to write the sql to complete this task.

    I've got



    Code:
    SELECT 1.* from (SELECT tblVIP_type.NameID, tblVIP_type.TypeID1, TblMeals.MealName, TblMeals.ID FROM tblVIP_type INNER JOIN TblMeals ON tblVIP_type.TypeID1 = TblMeals.TypeID WHERE (((tblVIP_type.NameID)=7))) as 1 where 1.ID Not in (select MealIDTried from (SELECT tblJunct.ID, tblJunct.ChoiceNumber, tblJunct.MealIDTried, tblJunct.VIPID_FK FROM tblJunct WHERE (((tblJunct.VIPID_FK)=7)))) order by MealName;
    but am getting an error "syntax error in 1.ID...…"

    Can anyone see where I've gone wrong?
    Andy to all.
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  4. #4
    Ajax is offline VIP
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    that is not an unmatched query and you should not start table (or field) names with a number. Try

    Code:
    SELECT * 
    FROM (SELECT tblVIP_type.NameID, tblVIP_type.TypeID1, TblMeals.MealName, TblMeals.ID FROM tblVIP_type INNER JOIN TblMeals ON tblVIP_type.TypeID1 = TblMeals.TypeID) VIPM 
        LEFT JOIN tblJunct ON VIPM.NameID=tblJunct.VIPID_FK AND VIPM.ID=tblJunct.MealIDTried
    WHERE NameID=7 AND MealIDTried is Null
    ORDER BY MealName
    

  5. #5
    andy49's Avatar
    andy49 is offline VIP
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    Thanks Ajax. Just what I wanted
    Andy to all.
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  6. #6
    JoeM is offline VIP
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    Note that to get the SQL code, you can simply create the unmatched query via the Query Builder (or Query Wizard), and then switch to SQL View.
    This will show you the SQL code of the query.
    That works for any and all queries in Access.
    Using Access 2007
    Proficient in Access, Excel, VBA, and SQL

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