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表包含lob字段,需要收回空間,首先move表,move表,move完表后lob的空間并不會(huì)釋放,還需要針對(duì)lob字段進(jìn)行move:
非分區(qū)表lob的move:
alter table T_SEND_LOG move lob(MESSAGE) store as (tablespace DATALOB);
分區(qū)表lob的move:
alter table T_SEND_LOG move partition p2018 lob(MESSAGE) store as (tablespace DATALOB);
分區(qū)表move:
alter table T_SEND_LOG move partition p2018;
move表后記得rebuild索引。
批量生成語(yǔ)句參考:
針對(duì)表空間:
select 'alter table '||a.owner||'.'||a.table_name||' move lob('||a.COLUMN_NAME||') store as (tablespace DATALOB);'
from dba_lobs a,DBA_SEGMENTS b where a.owner in ('APP')
and a.OWNER=b.OWNER and a.SEGMENT_NAME=b.SEGMENT_NAME and b.TABLESPACE_NAME!='PACSLOB';
針對(duì)表:
select 'alter table '||a.owner||'.'||a.table_name||' move lob('||a.COLUMN_NAME||') store as (tablespace DATALOB);'
from dba_lobs a,DBA_SEGMENTS b where a.owner in ('APP')
and a.OWNER=b.OWNER and a.SEGMENT_NAME=b.SEGMENT_NAME and a.TABLE_NAME = 'T_SEND_LOG';
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