ORACLE_BASE=/oracle
export ORACLE_BASE

ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
export ORACLE_HOME

ORACLE_SID=<orcl>
export ORACLE_SID

PATH=$PATH:/usr/local/bin:$ORACLE_HOME/bin
export PATH

LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib
export LD_LIBRARY_PATH