2026-03-12 20:23:15

idev/dba_cr_init.sql

@@ -0,0 +1,82 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : dba_cr_init.sql                                                 |
+-- | CLASS    : Database Administration                                         |
+-- | PURPOSE  : This script reads the database instance parameters and creates  |
+-- |            an example init.ora file. This is often used when cloning a     |
+-- |            database and need a fresh text init.ora file for the new        |
+-- |            database.                                                       |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    OFF
+SET HEADING     OFF
+SET LINESIZE    32767
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN oracle_sid   NEW_VALUE xoracle_sid  NOPRINT FORMAT a1
+
+SELECT  value  oracle_sid
+FROM    v$parameter
+WHERE   name = 'instance_name'
+/
+
+spool init&xoracle_sid..ora.sample
+
+SELECT 
+    '# +-------------------------------------------------------------------+' || chr(10) ||
+    '# | FILE          : init' || i.value || '.ora' || LPAD('|', 43-length(i.value), ' ') || chr(10) || 
+    '# | CREATION DATE : ' || 
+      to_char(sysdate, 'DD-MON-YYYY') || 
+      '                                       |' || chr(10) || 
+    '# | DATABASE NAME : ' || d.value || LPAD('|', 51-length(d.value), ' ') || chr(10) ||
+    '# | INSTANCE NAME : ' || i.value || LPAD('|', 51-length(i.value), ' ') || chr(10) ||
+    '# | SERVER NAME   : ' || s.value || LPAD('|', 51-length(s.value), ' ') || chr(10) ||
+    '# | GLOBAL NAME   : ' || g.global_name|| LPAD('|', 51-length(g.global_name), ' ') || chr(10) ||
+    '# +-------------------------------------------------------------------+'
+FROM
+    v$parameter d
+  , v$parameter i
+  , v$parameter s
+  , global_name g
+WHERE
+      d.name = 'db_name'
+  AND i.name = 'instance_name'
+  AND s.name = 'service_names';
+
+
+select 
+    '# +---------------------+' || chr(10) ||
+    '# | DATABASE PARAMETERS |' || chr(10) ||
+    '# +---------------------+'
+from dual;
+
+SELECT
+  DECODE(isdefault, 'TRUE', '# ') ||
+  DECODE(isdefault, 'TRUE', RPAD(name,43), RPAD(name,45)) ||
+  ' = ' ||
+  value
+FROM v$parameter
+ORDER BY name;
+
+spool off
+
+SET FEEDBACK    6
+SET HEADING     ON