How to upload and store pic in database through Servlet

Hi
I am new to servlet programming. I need some help i am developing shopping cart of pictures
I have problem in admin module
When admin upload new picture and description of picture
i want to store information of uploaded picture in database so that user can view new photographs for shopping
Now problem is that how to upload and store picture in database and how to retrive picture from datebase and disply on user end
I am in great difficulty
I need some sample code
Can some one help me
I shall be very thankful

Use BLOBS to upload and download image files into the database....
Here is a sample code for doing it from one of my earlier posts....
http://forum.java.sun.com/thread.jsp?forum=31&thread=143837
Once you get the file from the database, use the image tag in HTML to display your picture....
Let me know if you have any further questions....

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with BFILE Data
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How to use LOADBLOBFROMFILE to load the entire file without getting its length first.
How to use the return value of the offsets to calculate the actual amount loaded.
DECLARE
src_loc BFILE := bfilename('RKMS_DOC_DIR','ROPE_Offerte_v2.pdf') ;
v_author VARCHAR2(10) := 'RKMS_MGR' ;
dst_loc BLOB;
src_offset NUMBER := 1;
dst_offset NUMBER := 1;
src_osin NUMBER;
dst_osin NUMBER;
bytes_rd NUMBER;
bytes_wt NUMBER;
BEGIN
-- SELECT ad_composite INTO dst_loc FROM Print_media
-- WHERE product_id=3106 and ad_id=13001 FOR UPDATE;
SELECT doc INTO dst_loc FROM docs
WHERE USER_AUTHOR_ID = v_author FOR UPDATE;
/* Opening the source BFILE is mandatory */
dbms_lob.fileopen(src_loc, dbms_lob.file_readonly);
/* Opening the LOB is optional */
dbms_lob.OPEN(dst_loc, dbms_lob.lob_readwrite);
/* Save the input source/destination offsets */
src_osin := src_offset;
dst_osin := dst_offset;
/* Use LOBMAXSIZE to indicate loading the entire BFILE */
dbms_lob.LOADBLOBFROMFILE(dst_loc, src_loc, dbms_lob.lobmaxsize, src_offset, dst_offset) ;
/* Closing the LOB is mandatory if you have opened it */
dbms_lob.close(dst_loc);
dbms_lob.filecloseall();
COMMIT;
/* Use the src_offset returned to calculate the actual amount read from the BFILE */
bytes_rd := src_offset - src_osin;
dbms_output.put_line(' Number of bytes read from the BFILE ' || bytes_rd ) ;
/* Use the dst_offset returned to calculate the actual amount written to the BLOB */
bytes_wt := dst_offset - dst_osin;
dbms_output.put_line(' Number of bytes written to the BLOB ' || bytes_wt ) ;
/* If there is no exception the number of bytes read should equal to the number of bytes written */
END ;
/

How to upload and store pic in database through Servlet

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