~/.bash_profile

export ORACLE_HOME=/opt/oracle/instantclient_11_2/
export DYLD_LIBRARY_PATH=$ORACLE_HOME
export SQLPATH=$ORACLE_HOME

export TNS_ADMIN=$ORACLE_HOME/network/admin
export LANG=en_US.UTF8
export NLS_LANG=AMERICAN_AMERICA.UTF8
export NLS_DATE_FORMAT="yyyy-mm-dd HH24:MI:SS"

export PATH=$PATH:$ORACLE_HOME:.

oracle instant client配置(MAC OS)