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How to compress/uncompress Oracle exported dump file on UNIX/LINUX
Steps to compress and export an oracle database
1-Make a compress pipe file
#
mknod /tmp/compresspipe p
2-Compress the file using compress pipe file
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compress -c </tmp/compresspipe >xx &
-- xx is: /your-export-location/your-export.dmp
3-Now, you can export your database
# exp system/password full=y file=/tmp/compresspipe
Steps to uncompress and import to an oracle database
1-Make a compress pipe file
#
mknod /tmp/compresspipe p
2-Uncompress the file using compress pipe file
#
uncompress -c </xx >/tmp/compresspipe &
3-Now, you can import to your database
#
imp system/your-password full=n fromuser= touser=
file=/tmp/compresspipe
Good Luck!
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