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asked on 5/16/2018

How to produce count of distinct records

I am trying to get a count of distinct part numbers from a table where a part could be listed more than one time. Here is an example table of data:

Master123 | Detail123
Master123 | Detail123
Master123 | Detail456
Master123 | Detail456
Master123 | Detail456
Master123 | Detail789
Master456 | Detail789

I want the count of different "Detail" numbers. In this case, I want the query to produce 3 as a result for Master123, and 1 for Master456.

Microsoft Access SQL

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5/16/2018

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5/16/2018

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5/16/2018

ASKER

Thanks for the fast responses! I'm using Access 2000, so maybe I have some incorrect syntax as I'm getting an error. This is the exact query:

SELECT bomref.fcparent, Count(DISTINCT bomref.fcomponent) AS CountOffcomponent
FROM bomref
GROUP BY bomref.fcparent
HAVING (((bomref.fcparent)="PGMUVCBKRC"));

here is the error:

Syntax error (missing operator) in quyery expression 'Count(DISTINCT bomref.fcomponent)'.

ASKER CERTIFIED SOLUTION

John Tsioumpris

5/16/2018

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Microsoft Access

Microsoft Access is a rapid application development (RAD) relational database tool. Access can be used for both desktop and web-based applications, and uses VBA (Visual Basic for Applications) as its coding language.

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