TECH
QUESTION
자주하는 질문답변 입니다.
Oracle
작성자 | 유건데이타 | 등록일 | 2015-09-03 |
제목 | system tablespace shrink ora-03297 | ||
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결론적으로는 힘들다
확인을 위해서 아래의 쿼리로 얼마나 줄어들 수 있는지 확인한다 set verify off column file_name format a50 word_wrapped column smallest format 999,990 heading "Smallest|Size|Poss." column currsize format 999,990 heading "Current|Size" column savings format 999,990 heading "Poss.|Savings" break on report compute sum of savings on report column value new_val blksize select value from v$parameter where name = 'db_block_size' / select file_name, ceil( (nvl(hwm,1)*&&blksize)/1024/1024 ) smallest, ceil( blocks*&&blksize/1024/1024) currsize, ceil( blocks*&&blksize/1024/1024) - ceil( (nvl(hwm,1)*&&blksize)/1024/1024 ) savings from dba_data_files a, ( select file_id, max(block_id+blocks-1) hwm from dba_extents group by file_id ) b where a.file_id = b.file_id(+) / column cmd format a75 word_wrapped select 'alter database datafile '''||file_name||''' resize ' || ceil( (nvl(hwm,1)*&&blksize)/1024/1024 ) || 'm;' cmd from dba_data_files a, ( select file_id, max(block_id+blocks-1) hwm from dba_extents group by file_id ) b where a.file_id = b.file_id(+) and ceil( blocks*&&blksize/1024/1024) - ceil( (nvl(hwm,1)*&&blksize)/1024/1024 ) > 0 |
Comment | |||
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등록된 코멘트가 없습니다. |