How to “Implode” (de-normalize/concat) multiple columns into a single column?

Question

I have a query which outputs something like this:

+-------+----+--------------+
| F_KEY | EV | OTHER_COLUMN |
+-------+----+--------------+
| 100   | 1  | ..         


        

Answer 1

Look into using FOR XML PATH, you can convert it use the xml string just like a varchar, this supports a seperating character/expression as well. It will go at the end of your query but will most likely require you to use a subquery structure.