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方案一：整理Oracle处事端目次下，diag日记目次下，的各类日记 如：E:appAdministratordiag
方案二：缩放姑且表空间
select file#,name from v$datafile;
得到目次功效：E:APPADMINISTRATORORADATACLOTADBCLOTA_DATA.DBF
查察各空间的行使率，按照行使率举办针对性缩放，缩放不能小于着实际巨细
如：自己500M，缩放巨细不是600M
SELECT Upper(F.TABLESPACE_NAME) "表空间名",
D.TOT_GROOTTE_MB "表空间巨细(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已行使空间(M)",
To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100,2),‘990.99‘)
|| ‘%‘ "行使比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BYTES "最大块(M)"
FROM (SELECT TABLESPACE_NAME,
Round(Sum(BYTES) / ( 1024 * 1024 ),2) TOTAL_BYTES,
Round(Max(BYTES) / ( 1024 * 1024 ),2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,
Round(Sum(DD.BYTES) / ( 1024 * 1024 ),2) TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME) D
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 1
按照详细的目次，来举办现实的缩放，配置要缩放的巨细
ALTER DATABASE DATAFILE ‘E:APPADMINISTRATORORADATAORCLUNDOTBS01.DBF‘ RESIZE 500M
方案三：
oracle10g，在pl/sql中选中删除后会呈现相同：BIN$nJ5JuP9cQmqPaArFei384g==$0的表。
1.查察接纳站
select * from user_recyclebin;
2.清空接纳站
purge recyclebin;
方案四：其余相干create or replace function count_rows(table_name in varchar2,owner in varchar2 default null)return number authid current_user IS num_rows number;stmt varchar2(2000);begin if owner is null thenstmt := ‘select count(*) from "‘||table_name||‘"‘;elsestmt := ‘select count(*) from "‘||owner||‘"."‘||table_name||‘"‘;end if; execute immediate stmt into num_rows;return num_rows;end;查察数据库各表的数据量巨细，开释时不作为优先选项处理赏罚 select table_name,count_rows(table_name) nrows from user_tables order by count_rows(table_name) desc
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