Download field in a column

Dear Group,
I have a table that stores the description of an
experiment, date and person details who performed the
experiment.
In the last column I want to give the directory where
the files from these experiments are stored.

My questions:

1. Once a user queries this table from a command-line
(using sql commands). How can he get the data to
download?

I want my user to be able to download that data.

Is something possible from
SELECT statements or do I have to do something. Can
any one help me with should I do.

Thank you.

Kumar.

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