2026-03-12 20:23:15
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145
vdh/flashback_space_usage2.sql
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145
vdh/flashback_space_usage2.sql
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o/*select fusg.file_type, decode(nvl2(ra.name, ra.space_limit, 0), 0, 0, round(nvl(fusg.space_used, 0)/ra.space_limit, 4) * 100),
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decode(nvl2(ra.name, ra.space_limit, 0), 0, 0, round(nvl(fusg.space_reclaimable, 0)/ra.space_limit, 4) * 100),
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nvl2(ra.name, fusg.number_of_files, 0)
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SQL> descr v$flash_recovery_area_usage
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Name Null? Type
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----------------------------------------------------------------- -------- --------------------------------------------
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FILE_TYPE VARCHAR2(12)
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PERCENT_SPACE_USED NUMBER
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PERCENT_SPACE_RECLAIMABLE NUMBER
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NUMBER_OF_FILES NUMBER
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*/
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select fusg.file_type, decode(nvl2(ra.name, ra.space_limit, 0), 0, 0, nvl(ra.space_limit, 0))/1024/1024 space_limit_mb,
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decode(nvl2(ra.name, ra.space_limit, 0), 0, 0, nvl(fusg.space_used, 0)) space_used,
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decode(nvl2(ra.name, ra.space_limit, 0), 0, 0, nvl(fusg.space_reclaimable, 0)) space_reclaimable,
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nvl2(ra.name, fusg.number_of_files, 0) number_of_files
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from v$recovery_file_dest ra,
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( select 'CONTROLFILE' file_type,
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sum( case when ceilasm = 1 and name like '+%'
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then ceil(((block_size*file_size_blks)+1)/1048576)*1048576
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else block_size*file_size_blks
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end
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) space_used,
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0 space_reclaimable, count(*) number_of_files
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from v$controlfile,
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( select /*+ no_merge*/ ceilasm
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from x$krasga
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)
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where is_recovery_dest_file = 'YES'
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union all
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select 'ONLINELOG' file_type,
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sum( case when ceilasm = 1 and member like '+%'
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then ceil((l.bytes+1)/1048576)*1048576
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else l.bytes
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end
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) space_used,
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0 space_reclaimable, count(*) number_of_files
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from ( select group#, bytes
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from v$log
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union
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select group#, bytes
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from v$standby_log
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) l, v$logfile lf,
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( select /*+ no_merge */ ceilasm
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from x$krasga
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)
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where l.group# = lf.group#
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and lf.is_recovery_dest_file = 'YES'
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union all
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select 'ARCHIVELOG' file_type,
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sum(al.file_size) space_used,
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sum( case when dl.rectype = 11
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then al.file_size
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else 0
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end
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) space_reclaimable,
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count(*) number_of_files
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from ( select recid,
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case when ceilasm = 1 and name like '+%'
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then ceil(((blocks*block_size)+1)/1048576)*1048576
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else blocks * block_size
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end file_size
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from v$archived_log,
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( select /*+ no_merge */ ceilasm
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from x$krasga
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)
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where is_recovery_dest_file = 'YES'
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and name is not null
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) al,
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x$kccagf dl
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where al.recid = dl.recid(+)
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and dl.rectype(+) = 11
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union all
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select 'BACKUPPIECE' file_type,
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sum(bp.file_size) space_used,
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sum ( case when dl.rectype = 13
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then bp.file_size
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else 0
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end
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) space_reclaimable,
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count(*) number_of_files
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from ( select recid,
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case when ceilasm = 1 and handle like '+%'
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then ceil((bytes+1)/1048576)*1048576
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else bytes
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end file_size
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from v$backup_piece,
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( select /*+ no_merge */ ceilasm
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from x$krasga
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)
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where is_recovery_dest_file = 'YES'
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and handle is not null
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) bp,
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x$kccagf dl
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where bp.recid = dl.recid(+)
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and dl.rectype(+) = 13
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union all
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select 'IMAGECOPY' file_type,
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sum(dc.file_size) space_used,
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sum( case when dl.rectype = 16
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then dc.file_size
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else 0 end
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) space_reclaimable,
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count(*) number_of_files
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from ( select recid,
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case when ceilasm = 1 and name like '+%'
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then ceil(((blocks*block_size)+1)/1048576)*1048576
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else blocks * block_size
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end file_size
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from v$datafile_copy,
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( select /*+ no_merge */ ceilasm
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from x$krasga
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)
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where is_recovery_dest_file = 'YES'
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and name is not null
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) dc,
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x$kccagf dl
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where dc.recid = dl.recid(+)
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and dl.rectype(+) = 16
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union all
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select 'FLASHBACKLOG' file_type,
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nvl(fl.space_used, 0) space_used,
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nvl(fb.reclsiz, 0) space_reclaimable,
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nvl(fl.number_of_files, 0) number_of_files
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from ( select sum( case when ceilasm = 1 and name like '+%'
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then ceil((fl.bytes+1)/1048576)*1048576
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else bytes
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end
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) space_used,
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count(*) number_of_files
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from v$flashback_database_logfile fl,
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( select /*+ no_merge */ ceilasm
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from x$krasga
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)
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) fl,
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( select sum(to_number(fblogreclsiz)) reclsiz
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from x$krfblog
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) fb
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) fusg
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