Oracle Spostamento Oggetti: differenze tra le versioni
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Riga 95: | Riga 95: | ||
end; |
end; |
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/ |
/ |
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==segment Advisor== |
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-- |
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set pagesize 200 |
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set linesize 200 |
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set autotrace off |
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-- select tablespace_name, segment_name, segment_type, partition_name, |
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-- recommendations, c1 from |
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-- table(dbms_space.asa_recommendations('FALSE', 'FALSE', 'FALSE')); |
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spool segadv.txt |
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select '/*' || recommendations || ' */ ' || c1 from |
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table(dbms_space.asa_recommendations('FALSE', 'FALSE', 'FALSE')) where c1 is not null order by segment_type,reclaimable_space; |
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spool off |
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Versione delle 12:53, 27 mar 2020
controlla
select tablespace_name,segment_type,count(*),sum(bytes)/(1024*1024) from dba_segments group by tablespace_name,segment_type order by 2,1;
cerca ultimo oggetto nel tablespace/datafile
set pagesize 200 set linesize 200 select * from ( select owner, segment_name, segment_type, block_id, file_id from dba_extents where file_id in ( select file_id from dba_data_files where tablespace_name = '&1' ) order by block_id desc,file_id desc ) where rownum <= 10;
Spostamento Indici
set pagesize 200 set linesize 200 set trim on set trims on
prompt alter session set nls_length_semantics=BYTE;
select 'alter index ' || owner || '.' || index_name || ' rebuild tablespace GW_IDX online nologging compute statistics;' from dba_indexes where tablespace_name='GW_DAT';
select 'alter index ' || owner || '.' || index_name || ' rebuild tablespace &2 online nologging compute statistics;' from dba_indexes where tablespace_name='&1' or status='UNUSABLE'; prompt 'ALTER SESSION SET ddl_lock_timeout=30;' select 'alter index ' || owner || '.' || index_name || ' logging;' from dba_indexes where LOGGING='NO' and owner !='PERFSTAT';
select 'alter index ' || i.owner || '.' || i.index_name || ' rebuild tablespace ' || i.tablespace_name || ' nologging compute statistics;' from dba_indexes i where i.status='UNUSABLE';
Metodo PL/SQL:
begin for c1 in (select index_name from dba_indexes where owner='PERFSTAT' and tablespace_name='USERS') loop begin execute immediate 'alter index perfstat.' || c1.index_name || ' rebuild tablespace "PERFSTAT" nologging'; exception when others then null; end; end loop; end; /
Spostamento LOB
prompt alter session set nls_length_semantics=BYTE;
ALTER TABLE table_name MOVE LOB (lob_column) STORE AS (TABLESPACE tablespace_name);
select 'alter table ' || owner || '.' || TABLE_NAME || ' move lob (' || COLUMN_NAME || ') store as (tablespace &2);' from dba_lobs where TABLESPACE_NAME='&1';
select 'alter table ' || l.OWNER || '.' || l.TABLE_NAME || ' move lob(' || l.COLUMN_NAME || ') store as ( tablespace TBSLOB );' from dba_lobs l where l.owner not in ('SYS','SYSTEM','XDB','OUTLN','WMSYS','AUDSYS') and l.column_name !='USER_PROP' and tablespace_name !='TBSLOB' order by l.OWNER ;
plsql
begin for c1 in (select owner,table_name,column_name from dba_lobs where tablespace_name='&1') loop begin execute immediate 'alter table ' || c1.owner || '.' || c1.table_name || ' move lob (' || c1.column_name || ') store as securefile (tablespace "&2" ) nologging'; exception when others then null; end; end loop; end; /
Spostamento Tabelle
begin for c1 in (select table_name from dba_tables where owner='PERFSTAT' and tablespace_name='USERS') loop begin execute immediate 'alter table perfstat.' || c1.table_name || ' move tablespace "PERFSTAT" nologging'; exception when others then null; end; end loop; end; /
segment Advisor
-- set pagesize 200 set linesize 200 set autotrace off -- select tablespace_name, segment_name, segment_type, partition_name, -- recommendations, c1 from -- table(dbms_space.asa_recommendations('FALSE', 'FALSE', 'FALSE'));
spool segadv.txt select '/*' || recommendations || ' */ ' || c1 from table(dbms_space.asa_recommendations('FALSE', 'FALSE', 'FALSE')) where c1 is not null order by segment_type,reclaimable_space; spool off