XMLAGG in DB2

110 pts.
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How can we select multiple column values in a single comma separated column in DB2? I have tried with below query but not working: select Fld1, Fld2, substr(xmlserialize(xmlagg(xmltext(concat(', ', Fld3))) as varchar(1024)),3) from Table1 where Fld1 ='Key1' Group by Fld1, Fld2, Fld3

Software/Hardware used:
AS400, DB2

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  • TomLiotta

    You might be better off using recursive SQL than using the XML functions. But it can be forced to work with XML. You shouldn't put the comma in the XML expression though.

    Just build a normal XML expression using some fake name like "x". The elements will then all be delimited by "<x>" and "</x>". Once the expression is built, use REPLACE() to replace the XML tags with ",".

    Recursive SQL would make much more sense.

    Tom

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