Combining output of several fields in SQL query - Mailing list pgsql-admin

Hi all,
This is a plain simple sql question appologies for
posting it here.

Am looking for a way of combining values from several
fields(and introducting value separators).

select field2+"_"+field1 from tableA;

I've tried
select field2||'_'||field1 from tableA;
I get "1" as the result(which is not what I want).


Allan.

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