82 lines
3.6 KiB
SQL
82 lines
3.6 KiB
SQL
-- le script génère les ordres de création sql des tablespaces et datafiles
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-- si un tablespace contient plusieurs fichier, ceci est pris en compte
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-- les tablespaces SYSTEM, SYSAUX et UNDO ne sont pas affichés
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--
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-- version avec la taille exacte des datafile occupée sur disque
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--
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-- Historique :
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-- 2021/11/24 - ajout des tempfiles
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set head off pages 0 feedback off lines 200
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select '------- HOSTNAME : '||host_name||', DB_NAME : '||name||', VERSION : '||version from v$database,v$instance;
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select '------- Datafiles : ' from dual;
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SELECT 'CREATE '
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|| DECODE (ts.bigfile, 'YES', 'BIGFILE ') --assuming smallfile is the default table space
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|| 'TABLESPACE "' || ts.tablespace_name || '" DATAFILE ' || CHR(13) || CHR(10)
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|| LISTAGG(decode(p.value, NULL, ' ''' || df.file_name || '''') || ' SIZE '
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-- || df.bytes -- on ne prends pas la taille du datafile, mais la taille ocupée used_bytes
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-- || decode(floor(e.used_bytes/1024/1024),0,10,floor(e.used_bytes/1024/1024)) || 'M ' -- si taille nulle, on retourne 10M
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|| CASE
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WHEN e.used_bytes < 1024*1024
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THEN '10M'
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ELSE TO_CHAR(floor(104857/(1024*1024))) || 'M'
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END
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|| DECODE (
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df.autoextensible,
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'YES', ' AUTOEXTEND ON NEXT ' || df.increment_by*ts.block_size || ' MAXSIZE '
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|| CASE
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WHEN maxbytes < POWER (1024, 3) * 2
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THEN
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TO_CHAR (maxbytes)
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ELSE
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TO_CHAR (FLOOR (maxbytes / POWER (1024, 2))) || 'M'
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END),
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',' || CHR (13) || CHR (10))
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WITHIN GROUP (ORDER BY df.file_id, df.file_name)
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|| ';'
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ddl
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FROM dba_tablespaces ts,
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dba_data_files df,
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(SELECT file_id, sum(decode(bytes,NULL,0,bytes)) used_bytes FROM dba_extents GROUP by file_id) e,
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(select VALUE from v$parameter where name='db_create_file_dest') p
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WHERE ts.tablespace_name not in ('SYSTEM','SYSAUX')
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and ts.tablespace_name not like '%UNDO%'
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and e.file_id (+) = df.file_id
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and ts.tablespace_name = df.tablespace_name
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GROUP BY ts.tablespace_name,
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ts.bigfile,
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ts.block_size
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ORDER BY ts.tablespace_name;
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select '------- Tempfiles : ' from dual;
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SELECT 'CREATE TEMPORARY TABLESPACE "' || ts.tablespace_name || '" TEMPFILE ' || CHR (13) || CHR (10)
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|| LISTAGG(decode(p.value, NULL, ' ''' || df.file_name || '''') || ' SIZE '
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|| decode(floor(e.used_bytes/1024/1024),0,10,floor(e.used_bytes/1024/1024)) || 'M ' -- si taille nulle, on retourne 10M
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|| DECODE (
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df.autoextensible,
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'YES', ' AUTOEXTEND ON NEXT ' || df.increment_by*ts.block_size || ' MAXSIZE '
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|| FLOOR (maxbytes / POWER (1024, 2)) || 'M'
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),
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',' || CHR (13) || CHR (10))
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WITHIN GROUP (ORDER BY df.file_id, df.file_name)
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|| ';'
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ddl
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FROM dba_tablespaces ts,
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dba_temp_files df,
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(SELECT file_id, sum(decode(bytes,NULL,0,bytes)) used_bytes FROM dba_extents GROUP by file_id) e,
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(select VALUE from v$parameter where name='db_create_file_dest') p
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WHERE e.file_id (+) = df.file_id
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and ts.tablespace_name = df.tablespace_name
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GROUP BY ts.tablespace_name,
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ts.bigfile,
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ts.block_size
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ORDER BY ts.tablespace_name;
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exit
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