SQL Concat Rows if duplicate ID
Multi tool use
Is there a way to concat rows if there are duplicate IDs?
For example
If I were to GROUP BY ROOM_ID I would lose the information in Line 2. So is there a way to get the following results:
Thanks
If you have only a handful of lines, then conditional aggregation might be the easiest method:
Note that this does not generalize very well, but it works quite effectively for two or three addresses.
You can do something similar with left join:
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