SQL> update test set object_id=1 where rownum=1;SQL> update test set object_id=1 where rownum=1;
4.开启第四个会话使用 sqlplus -prelim / as sysdba进行登录
<zhang2:orcldb:/home/oracle>$sqlplus -prelim /as sysdba
SQL*Plus: Release 19.0.0.0.0- Production on Mon Apr 810:45:112024
Version 19.21.0.0.0Copyright(c)1982,2022, Oracle. All rights reserved.SQL>