Hi Helen and Svein,

I've found the error in my code.
I looked at RowsAffected as suggested by Svein and it
was zero - so I took a closer look at my params.

When assigning the params, I was using:

ParamByName('PP').AsString := QuotedStr(DeletePKs[Ctr]);

Of course, the use of QuotedStr is wrong and resulted in two
quotation marks around the param:

> PARAMS = [ Version 1 SQLd 1 SQLn 1
> [PP] = ''POW-00033'' ]

My excuses for wasting your time with questions which
were result of such a dumb mistake.

Thanks for your help!


Christian