On 2009-11-29, Didier Gasser-Morlay <didiergm@gmail.com> wrote:
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> I hope you won't mind if I had my 2 cents to this conversation; aside from
> the actual format, this question comes up with regularity on various
> database lists.
>
> I have never understood the need for storing images inside a database (and
> to some extend blob data) because:
> - being a blog you do not query it just store and retrieve, you rarely
> update, so the need for a fancy SQL and DB engine is somewhat limited;
>
> - storing images is heavy, makes the database grow, thus makes
> backup/restore that bit more painful and possibly that bit less stable. ..
>
> For years I designed system for picture libraries where numbers like 10s of
> thousands to millions of images are common place, we would never have
> contemplated to store images on anything more complex than a file system.
> using the database to store a URL to that resource.
ON DELETE CASCADE doesn't work for disk files.
all the applications that need the images need to ba able to
contact the server for the files.
only need to backup one thing.