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Editorial Team
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Asked: 2026-05-27T07:12:33+00:00

I have a complex select statement (the union of several queries) which outputs a

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I have a complex select statement (the union of several queries) which outputs a single column e.g.

| email            |
| test@domain.com  |
| test2@domain.com |
| test3@domain.com |

I would like to feed this into the @blind_copy_recipients of sp_send_dbmail which requires a semi colon (;) separated list.

would normally use COALESCE and a variable to accomplish this but you can’t seem to do that with a statement with UNIONS.

Is there an easy way to do this?

Whilst typing this question is has occurred to me that a better way might be to use a cursor to cycle through the records and send the messages individually but I’m still interested in the answer…..

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1 Answer

  1. Editorial Team

    Avoid cursors as much as possible.

    In the meantime, try this:

    DECLARE @blind_copy_recipients VARCHAR(4000) 
-- Or whatever is the suitable size you expect

SELECT @blind_copy_recipients = COALESCE(@blind_copy_recipients + ', ', '') + 
   CAST(BCC.BLIND_COPY_RECIPIENTS_UNION_OUTPUT_COLUMN AS VARCHAR(50)) 
    -- Again, change to suit your needs
FROM 
(
-- SELECT UNION SELECT UNION SELECT UNION --
) AS BCC

SELECT @blind_copy_recipients
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