Q
1)
http://www.theserverside.com/discussions/thread.tss?thread_id=333742)
http://www.oracle.com/technology/sample_code/tech/windows/odpnet/howto/anonyblock/index.html3) why not, if this value is present in master table u can make this as foreign key aslo, depends on your DB schema design
4) the document is stored in data base, if u use BLOB, if u use BFILE, it stores a reference and the actual file is stored in db servers filesystem.