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Developer-C 11.1
3.0
4.0
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10
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3.8
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CREATE TABLE your_table ([ID] int, [ReportId] int, [Email] varchar(7)) ; INSERT INTO your_table ([ID], [ReportId], [Email]) VALUES (1, 1, 'a@a.com'), (2, 2, 'b@b.com'), (3, 1, 'c@c.com'), (4, 3, 'd@d.com'), (5, 3, 'e@e.com'); SELECT ReportId, Email = STUFF((SELECT ', ' + Email FROM your_table b WHERE b.ReportId = a.ReportId FOR XML PATH('')), 1, 2, '') FROM your_table a GROUP BY ReportId
ReportId
Email
1
a@a.com, c@c.com
2
b@b.com
3
d@d.com, e@e.com