can i import a 9i(import Dump file) to Oracle8i DB?
Yes, you can. Use 8i export utility to export from 9i database.
Oracle Certified Professional 8i, 9i.
"The degree of normality in a database is inversely proportional to that of its DBA"
The correct technical answer to this question is no, you can not use a 9i .DMP to import into a 8i environment. However, do what sanjay said and you will be okey dokey.
I remember when this place was cool.