1. Oracle instant client 설치 (오라클 사이트 공식 RPM) https://www.oracle.com/kr/database/technologies/instant-client/linux-x86-64-downloads.html 2. 환경변수 설정 및 실행 export ORACLE_HOME=/usr/lib/oracle/19.16/client64 export TNS_ADMIN=$ORACLE_HOME/network export NLS_LANG=KOREAN_KOREA.UTF8 3. tnsnames.ora 생성 vi $TNS_ADMIN/tnsnames.ora ORA19C=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=아이피)(PORT=포트))(CONNECT_DATA=(..