How to upload and downlaod various files

Guys,
i am developing web application in which i am using oracle/ my sql as database.
my objective is to create one form in jsp which will control by servlet and should upload 1 doc file, 1 pdf file and 2 photos in database.
and at time of display servlet should provide thumbnail of photo(if possible)
also display servlet should provide link for respective fields.
like when user click on link for pdf then client can download pdf file stored at server database and view on his machine.
please help me in this.
also guide me to select appropriate database which will fullfill my objective.
regards,
subodh ahire

hahahhaa,
well i am sorry if you don't like word 'dude'
After working years in literatury department and with one tiny novel, i think i learn only one thing; no one ever liked to called himself 'old dusty guy'.
and for me dude is word which tolds me i am still young, anyhow its my personal opinion.
Secondly,
i like to share one small story of one Journalist,
when i was working on one of my column, i met one journalist to whom i asked how difficult to serve 24*7 for media, he answred, "in my initial days i found working 24*7 means nightmare, i cant even think of that. but as days start passing I start like my job. Stuff which was once difficult and tidest seems interesting now. time is greatest healing therapy as well as time is greatest teacher. Just what we have to know is might be today is not mine but tomorrow will be..."
Now ejp sir think why i might told you this story, its just simple suggestion.
and if you think i am arguing then i am sorry,
& finally;
my last q was expected just simple yes or no, might be i am helpless, might be my boys(my developers) i called them as my boys, & offcourse me; a bit new in java. Might be we are looking for few help which seems like 'spoon fiding', might be we are most stupidest, idiot person you ever seem in this world, but we are not handicap or Un-helpable.
i just like to share my last word with you that,
life is long narrow road,
filled by millions of obstacles;
& covered by blanket of fog...
to achieve over destination we several times follow someone,
while travelling we notice sometimes that, several others foolowing us..
but it never means that people who are following you are handicap or dependant on you,
neither it state that people to whome you are following is asking for fees for his inspiration.
Its quality of humans which we discover inside us called as 'mutual understanding'
and without this quality we never ever able to figure out our destination.
I am sorry if i hurt you, but neither i think i am un-helpable, i am just suffering from bit difficult time; but world is not too little where closing one door means all ways are shut down.
So thanks for whatever help you done.
calling you dude means i just tried to tell you how cool and intelligent you are, but i am sorry i fell in that.
------Subodh R Ahire

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