Access 2000

This is a discussion on Access 2000 within the Tech Board forums, part of the Community Boards category; In Access 2000, I have a database with a table in it called STUDENTS. In STUDENTS, there is a column ...

  1. #1
    Registered User CumQuaT's Avatar
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    Question Access 2000

    In Access 2000, I have a database with a table in it called STUDENTS. In STUDENTS, there is a column called CLASS. In the CLASS column, there are cells containing either 'A', 'B' or 'C'.
    I need to program an SQL query to return the number 3 (There are three different data values in the column CLASS)
    This is the code I entered:

    SELECT Count(DISTINCT Class)
    FROM Students;

    I got the following error message:

    Syntax error. Missing operator in query.

    I've tried a few alternatives, but nothing seems to work! Have microsoft changed SQL between Access 2000 and Acess '98? And if so, how can I get this thing to work?


    Here's an example of the table...

    CLASS
    A
    A
    B
    B
    C

    It should result in a number 3. There being 3 different classes, A, B and C.

    Thanx guys!
    Last edited by CumQuaT; 07-31-2003 at 05:53 PM.
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  2. #2
    End Of Line Hammer's Avatar
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    Code:
    SELECT OrderNum, Sum(NumOrdered)  AS Total
    
    FROM OrderLine
    
    Group by OrderNum;
    From here .

    That's how I'd do it anyway, making yours like this:
    Code:
    SELECT Class, Count(*) As ClassCount
    FROM Students
    GROUP BY Class;
    More details also here
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

  3. #3
    Registered User CumQuaT's Avatar
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    reply

    That returns the number of each different class in the column, not how many different classes there are. The GROUP statement might have something to do with is though....... Very interesting...... I will have a fiddle..... Any more ideas though would be hot!
    Why? The often unanswerable question. If it is unanswerable, why answer it?

    Join the Cult of Sheograth, it's the place to be!

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    Lord, we know what we are, yet we know not what we may be... Who wrote that anyway? If you know, E-Mail me. mr_shnokovitz@yahoo.com

    Joy to all the fishes...

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  4. #4
    End Of Line Hammer's Avatar
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    Yeah, I kinda mis-read what you wanted

    Anyways, from what I can find, your original query looks correct, but I guess if it isn't supported by Acc2000, you'll have to find another way.

    The group won't help directly, but doing something like this may:
    Code:
    SELECT DISTINCT field INTO temp_table FROM mytable;
    SELECT count(*) FROM temp_table;
    DROP TABLE temp_table;
    I "stole" the idea from here which stemed from here .

    I don't have Acc2000 here, so you're on your own for now.
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

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