2026-03-12 20:23:15

idev/dba_file_space_usage.sql

@@ -0,0 +1,88 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : dba_file_space_usage.sql                                        |
+-- | CLASS    : Database Administration                                         |
+-- | PURPOSE  : Reports on all data file usage. This script was designed to     |
+-- |            work with Oracle8i or higher. It will include true TEMPORARY    |
+-- |            tablespaces. (i.e. use of "tempfiles")                          |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET TERMOUT OFF;
+COLUMN current_instance NEW_VALUE current_instance NOPRINT;
+SELECT rpad(instance_name, 17) current_instance FROM v$instance;
+SET TERMOUT ON;
+
+PROMPT 
+PROMPT +------------------------------------------------------------------------+
+PROMPT | Report   : File Usage                                                  |
+PROMPT | Instance : &current_instance                                           |
+PROMPT +------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    6
+SET HEADING     ON
+SET LINESIZE    256
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN tablespace  FORMAT a18                 HEADING 'Tablespace Name'
+COLUMN filename    FORMAT a75                 HEADING 'Filename'
+COLUMN filesize    FORMAT 9,999,999,999,999   HEADING 'File Size'
+COLUMN used        FORMAT 9,999,999,999,999   HEADING 'Used (in bytes)'
+COLUMN pct_used    FORMAT 999                 HEADING 'Pct. Used'
+
+BREAK ON report
+
+COMPUTE sum OF filesize  ON report
+COMPUTE sum OF used      ON report
+COMPUTE avg OF pct_used  ON report
+
+SELECT /*+ ordered */
+    d.tablespace_name                     tablespace
+  , d.file_name                           filename
+  , d.file_id                             file_id
+  , d.bytes                               filesize
+  , NVL((d.bytes - s.bytes), d.bytes)     used
+  , TRUNC(((NVL((d.bytes - s.bytes) , d.bytes)) / d.bytes) * 100)  pct_used
+FROM
+    sys.dba_data_files d
+  , v$datafile v
+  , ( select file_id, SUM(bytes) bytes
+      from sys.dba_free_space
+      GROUP BY file_id) s
+WHERE
+      (s.file_id (+)= d.file_id)
+  AND (d.file_name = v.name)
+UNION
+SELECT
+    d.tablespace_name                       tablespace 
+  , d.file_name                             filename
+  , d.file_id                               file_id
+  , d.bytes                                 filesize
+  , NVL(t.bytes_cached, 0)                  used
+  , TRUNC((t.bytes_cached / d.bytes) * 100) pct_used
+FROM
+    sys.dba_temp_files d
+  , v$temp_extent_pool t
+  , v$tempfile v
+WHERE 
+      (t.file_id (+)= d.file_id)
+  AND (d.file_id = v.file#)
+/
+