Oracle Import and Export Utility

Hello All,
Could someone please explain me Oracle Import and Export Utility. I've gone through the below link and it has been mentioned to use keyword 'exp' but I'm not getting any idea where to use it. So kindly explain how the util works.

Hello;
Export creates a logical backup its great for move tables, schemas etc.
Import bring that data back in.
You can use a parm file with either.
Import example :
imp parfile=in.parm
in.parm ( contains )
userid=system/<password>
fromuser=scott
touser=scott
file=in.dmp
log=in.logemp parfile=out.parm
out.parm ( contains )
userid=system/<password>
owner=scott
file=out.dmp
log=out.dmp
statistics=noneYou can use these commands at the OS level to get quick help.
imp help=y
enp help=yYou can export a subset of a table :
exp scott/t<password> tables=emp query="where deptno=20"You can use options like :
full=y
BUFFER=2000000
GRANTS=y
COMPRESS=yThis utility is being replaced by data pump.
Best Regards
mseberg
There's a short import and export examples here :
http://www.oracle-dba-online.com/export_and_import.htm
Edited by: mseberg on Sep 17, 2011 6:46 PM

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