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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / How to concatenate val...
Customer experience | Sales, Customer Insights,...
Answered

How to concatenate values from multiple rows

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Posted on by Carlik 55

Hello Experts

I'm working with report. I have a situation similar to classic

ID - EXTID - VALUE

1 - 1 - Val1

2 - 1 - Val2

I need to concatenate values

( Final result : 1 - Val1, Val2 )

using SQL 2 CDS tool (then I will traslate it in FetchXML);

I tried WITH CTE, FOR XML PATH, with no luck

How can I complete this task?

Thanks

I have the same question (0)
  • Suggested answer
    Carlik Profile Picture
    Carlik 55 on at
    RE: How to concatenate values from multiple rows

    Your last link was helpful!

    Thanks

  • Verified answer
    Wahaj Rashid Profile Picture
    Wahaj Rashid 11,321 on at
    RE: How to concatenate values from multiple rows

    Hi,

    Thank you for your query.

    In SQL Server you can use STRING_AGG() for this purpose.

    For example:

    SELECT [IDColumn], STRING_AGG([ValueColumn], ',') [ContactVal]

FROM Table1

GROUP BY [IDColumn]

    However, as far as I know, this will not work in SQL 4 CDS (it does not support STRING_AGG).

    Also, the fetch xml has limited aggregation options (Sum, Count, Avg etc.):

    Use FetchXML aggregation (Microsoft Dataverse) - Power Apps | Microsoft Docs

    I guess, your only option is to user grouping in SSRS report (not in the query) or use Join operation in SSRS expressions to concatenate values form rows:

    reporting services - How to convert multiple rows into one row in SSRS? - Stack Overflow

    SSRS concatenate field in one string delimited by comma - without SQL (microsoft.com)

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