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Import from a Unix pipe

Database administration tip #3 from "30 Oracle tips in 30 minutes," brought to you by the IOUG.

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If you've created an export file using the pipe and split technique above, you can import that file like this:

setenv UID sys/change_on_install

setenv FN exp.`date +%j_%Y`.dmp.gz

setenv PIPE /backup/exp_tmp.dmp


# Make a Unix pipe

mknod $PIPE p

# Read the file in the background to the pipe

cat `echo $FN.* | sort` > $PIPE &

# Import from the pipe file as the pipe is being created

imp userid=$UID file=$PIPE full=y commit=y >>& imp_big_table.log

# Remove the pipe

rm –f $PIPE

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About the author: Kenny Smith has been working with Oracle technology on HP servers for over a decade. He specializes in Oracle database architecture, database administration and development. He has presented at numerous Oracle conferences on two continents. He has published many articles describing Oracle solutions and has co-authored "Oracle backup and recovery 101" from Oracle Press.

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