If you don't want to print information, don't print it.
If you are working within a web framework (which I assume from your passing mention of "redirect"), then learn about how to issue a redirect in your environment. This has little to do with your chosen topic of "Help on fetchrow_hashref", but maybe you want to tell us more about your environment so we can more accurately help you? Again, if you don't want something done, don't do it.
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