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Asked: 2026-05-26T12:47:20+00:00

I am getting double results for every part…so I’m obviously not using Distinct right

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I am getting double results for every part…so I’m obviously not using Distinct right here or need to use grouping?

example:

select DISTINCT p.PartNum,
                p.PartID,
                pn.Name,
                d.[Description],
                n.Note as PartNote
from Part p
            join PartName pn on pn.PartNameID = p.PartNameID
            join ApplicationPaint ap on ap.partID = p.PartID
            join [Application] a on a.ApplicationID = ap.ApplicationID
            join [Description] d on d.DescriptionID = ap.DescriptionID
            join Note n on n.NoteID = a.NoteID
            join MYConfig mmy on mmy.MMYConfigID = a.MYConfigID
            join Model mo on mo.ModelID = mmy.ModelID
where mmy.ModelId = 2673
and substring(n.Note, CHARINDEX(']', n.Note) + 2, LEN(n.Note))= 'Johnson'

results:

T50015  765963  Some Part Name  SomeNoteA   [342] Johnson
T50015  765963  Some Part Name  SomeNoteA   [343] Johnson
T60024  766068  Some Part Name  SomeNoteB   [342] Johnson
T60024  766068  Some Part Name  SomeNoteB   [343] Johnson
T60231  766093  Some Part Name  SomeNoteA   [342] Johnson
T60231  766093  Some Part Name  SomeNoteA   [343] Johnson
T60232  766094  Some Part Name  SomeNoteA   [342] Johnson
T60232  766094  Some Part Name  SomeNoteA   [343] Johnson
T70134  766150  Some Part Name  SomeNoteA   [342] Johnson
T70134  766150  Some Part Name  SomeNoteA   [343] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [343] Johnson
Y50078  766253  Some Part Name  SomeNoteH   [342] Johnson
N30026  766352  Some Part Name  SomeNoteT   [342] Johnson
N30026  766352  Some Part Name  SomeNoteT   [343] Johnson
N50041  766465  Some Part Name  SomeNoteK   [342] Johnson
N50041  766465  Some Part Name  SomeNoteK   [343] Johnson
N60176  766499  Some Part Name  SomeNoteX   [342] Johnson
N60176  766499  Some Part Name  SomeNoteX   [343] Johnson
N60750  766503  Some Part Name  SomeNoteU   [342] Johnson
N60750  766503  Some Part Name  SomeNoteU   [343] Johnson

so I’m getting dups even triples on every PartNumber

T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [343] Johnson

T50015  765963  Some Part Name  SomeNoteA   [342] Johnson
T50015  765963  Some Part Name  SomeNoteA   [343] Johnson

so what I want to see is this:

T50015  765963  Some Part Name  SomeNoteA   [342] Johnson
T60024  766068  Some Part Name  SomeNoteB   [342] Johnson
T60231  766093  Some Part Name  SomeNoteA   [342] Johnson
T60232  766094  Some Part Name  SomeNoteA   [342] Johnson
T70134  766150  Some Part Name  SomeNoteA   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
Y50078  766253  Some Part Name  SomeNoteH   [342] Johnson
N30026  766352  Some Part Name  SomeNoteT   [342] Johnson
N50041  766465  Some Part Name  SomeNoteK   [342] Johnson
N60176  766499  Some Part Name  SomeNoteX   [342] Johnson
N60750  766503  Some Part Name  SomeNoteU   [342] Johnson

So I want only one unique row for each Unique part number, not dup part number rows showing here.

So to put it in other words for example I want this (one row only for a partID):

T70230  766153  Some Part Name  SomeNoteC   [342] Johnson

vs. dups:

T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [343] Johnson
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1 Answer

  1. Editorial Team

    You’ve omitted part names and notes from your example, but I believe DISTINCT means that it should omit rows from the results where all of the columns you’ve specified are duplicated, not any.

    So since you’ve specified p.PartNum, p.PartID, pn.Name, d.[Description], and n.Note, only rows where all of those values are duplicated will be removed.

    For example, you’ve said your results included:

    T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [342] Johnson
T70230  766153  Some Part Name  SomeNoteC   [343] Johnson

    If those rows were really:

    T70230  766153  CoolWidget1  "So much fun!"     [342] Johnson
T70230  766153  CoolWidget1  "Buy one today!"   [342] Johnson
T70230  766153  CoolWidget2  "Buy one today!"   [343] Johnson

    Then all three rows will remain, as none have the exact same values for all five of the column names you’ve listed for the DISTINCT operator.

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