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Oracle Environment Variables

Some environment variables must be configured on the server to install and run Oracle Database 19c.

Note: If ORACLE_BASE is used, Oracle recommends not to set the ORACLE_HOME environment variable but that you choose the default path suggested by the Universal Installer. When you have finished the installation of Oracle Database 19c, you can set the ORACLE_HOME environment variable.

Following Oracle environment variables must be set or updated for the Oracle user.

  • TMP
  • TMPDIR
  • ORACLE_HOSTNAME
  • ORACLE_UNQNAME
  • ORACLE_BASE
  • ORACLE_HOME
  • ORA_INVENTORY
  • ORACLE_SID
  • PDB_NAME
  • DATA_DIR
  • PATH
  • LD_LIBRARY_PATH
  • CLASSPATH

The oracle user's.bash_profile file can be updated using following commands:

# su - oracle  
# cat >> .bash_profile << EOF  
# export TMP=/tmp  
# export TMPDIR=\$TMP  
# export ORACLE_HOSTNAME=<YOUR_HOST>.localdomain  
# export ORACLE_UNQNAME=ifscdb  
# export ORACLE_BASE=/u01/app/oracle  
# export ORACLE_HOME=\$ORACLE_BASE/product/19.0.0/dbhome_1  
# export ORA_INVENTORY=/u01/app/oraInventory  
# export ORACLE_SID=ifs1db  
# export PDB_NAME=ifspdb  
# export DATA_DIR=/u02/oradata  
# export PATH=/usr/sbin:/usr/local/bin:\$PATH  
# export PATH=\$ORACLE_HOME/bin:\$PATH  
# export LD_LIBRARY_PATH=\$ORACLE_HOME/lib:/lib:/usr/lib  
# export CLASSPATH=\$ORACLE_HOME/jlib:\$ORACLE_HOME/rdbms/jlib  
# EOF