Oracle Partitioning: differenze tra le versioni
Jump to navigation
Jump to search
Riga 22: | Riga 22: | ||
-- |
-- |
||
set pagesize 200 linesize 200 trim on trims on |
set pagesize 200 linesize 200 trim on trims on |
||
select 'alter table ' || owner || '.' || table_name || ' set partitioning automatic;' |
select 'alter table ' || owner || '.' || table_name || ' set partitioning automatic;' |
||
from dba_part_tables where partitioning_type='LIST' and autolist!='YES' and owner not in ('SYS','SYSTEM','AUDSYS'); |
|||
=Indici= |
=Indici= |
Versione attuale delle 13:31, 17 ott 2023
impdp
Importare una partizione su una tabella (che potrebbe essere anche una tabella partizionata, ma con schema di partizionamento diverso)
tables="HR.EMP:P2016_53" table_exists_action=append partition_options=merge data_options=TRUST_EXISTING_TABLE_PARTITIONS
Elenca tabelle
-- set pagesize 200 linesize 200 trim on trims on col owner for a30 col table_name for a30 col autolist for a4 col interval for a30 -- select owner,table_name from dba_tables where partitioned='YES' and owner not in ('SYS','SYSTEM'); select owner,table_name,partitioning_type,autolist,interval from dba_part_tables where owner not in ('SYS','SYSTEM','AUDSYS');
Converti Tabelle
converti da partizionamento manuale a partizionamento automatico
-- set pagesize 200 linesize 200 trim on trims on select 'alter table ' || owner || '.' || table_name || ' set partitioning automatic;' from dba_part_tables where partitioning_type='LIST' and autolist!='YES' and owner not in ('SYS','SYSTEM','AUDSYS');
Indici
Spazio disco
ILM
(ADO richiede licenza Advanced Compression)
alter table PART_TABLE ilm add policy compress basic segment after 14 days of creation; alter table PART_TABLE ilm add policy compress basic segment after 14 days of no modification;