• curl -o oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

  • yum -y localinstall oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

  • 下载oracle-database-ee-19c-1.0-1.x86_64.rpm

  • yum -y localinstall oracle-database-ee-19c-1.0-1.x86_64.rpm

  • /etc/init.d/oracledb_ORCLCDB-19c configure

  • passwd oracle

  • SELINUX=permissive

  • systemctl stop firewalld

  • systemctl disable firewalld

  • su oracle

  • export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1

  • cat /opt/oracle/product/19c/dbhome_1/dbs/init.ora

    • 查看db_name

  • export ORACLE_SID=你查看的db_name

  • cp init.ora init你查看的db_name.ora

  • /opt/oracle/product/19c/dbhome_1/bin/sqlplus /nolog

    • conn / as sysdba
    • startup