Oracle 19c Client May 2026

ORCLDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = db-server.example.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) Test connection:

mkdir -p /opt/oracle/instantclient_19_19 cd /opt/oracle unzip instantclient-basic-linux.x64-19.8.0.0.0dbru.zip echo '/opt/oracle/instantclient_19_19' > /etc/ld.so.conf.d/oracle.conf ldconfig unzip instantclient-sqlplus-linux.x64-19.8.0.0.0dbru.zip oracle 19c client

export LD_LIBRARY_PATH=/opt/oracle/instantclient_19_19:$LD_LIBRARY_PATH export PATH=/opt/oracle/instantclient_19_19:$PATH export TNS_ADMIN=/opt/oracle/instantclient_19_19/network/admin Create tnsnames.ora in $TNS_ADMIN : ORCLDB = (DESCRIPTION = (ADDRESS = (PROTOCOL =

Run $ORACLE_HOME/deinstall/deinstall