feat(oracle): add OS script execution procedures and Oracle locations finder

- ExecuteScriptOS.prc: runs PowerShell scripts via DBMS_SCHEDULER
- UpdateSQLPLUS.prc: runs SQL*Plus scripts via DBMS_SCHEDULER
- find_oracle_locations.sql: comprehensive script to discover all Oracle DB paths for backup/migration

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

proxmox/lxc108-oracle/roa-windows-setup/sql/UpdateSQLPLUS.prc

@@ -0,0 +1,15 @@
+create or replace procedure UpdateSQLPLUS(tcSqlPlusPath in varchar2,
+                                          tcScriptPath  in varchar2) as
+lcJobName varchar2(500);
+begin
+  lcJobName := 'updateschema_' || to_char(sysdate, 'YYYYMMDDHH24MISS');
+  dbms_scheduler.create_job(lcJobName,
+                            job_action          => tcSqlPlusPath,
+                            number_of_arguments => 2,
+                            job_type            => 'executable',
+                            enabled             => false);
+  dbms_scheduler.set_job_argument_value(lcJobName, 1, '/nolog');
+  dbms_scheduler.set_job_argument_value(lcJobName, 2, '@' || tcScriptPath);
+  dbms_scheduler.enable(lcJobName);
+end;
+/