Split command to split the partition

xiaoxiao2021-03-06 36

SQL> SELECT Partitioned from DBA_TABLES where Table_Name = 'lytusage';

Par --- YESSQL> SELECT Partition_name, High_Value from DBA_TAB_PARTITIONS Where Table_Name = 'lytusage';

Partition_name high_value -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------- ------------ lytusage_200401 to_date ('2004-02-01 00:00:00', 'syyyy-mm-dd HH24: MI: SS', 'NLS_CALENDAR = GregoriItusage_200402 to_date (' 2004- 03-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GregoriItusage_200403 TO_DATE ('2004-04-01 00:00:00', 'Syyyy-mm-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALTUSAGE_200404 TO_DATE ('2004-05-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriTusage_200405 TO_DATE (' 2004-06-01 00 : 00: 00 ',' SyyyY-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GregoriTusage_200406 TO_DATE ('2004-07-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS' , 'NLS_CALENDAR = GregoriTusage_200407 TO_DATE (' 2004-08-01 00:00:00 ',' Syyyy-mm-DD HH24: MI: SS ',' NLS_CALENDAR = GregoriItusage_200408 TO_DATE ('2004-09-01 00:00:00 ',' Syyyy-M M-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200409 TO_DATE ('2004-10-01 00:00:00', 'syyyy-mm-dd HH24: MI: SS', 'NLS_CALENDAR = GREGORIALYTUSAGE_200410 TO_DATE (' 2004 -11-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200411 TO_DATE ('2004-12-01 00:00:00', 'syyyy-mm-dd HH24 : MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200412 TO_DATE ('2005-01-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', '

NLS_CALENDAR = GREGORIALYTUSAGE_200501 TO_DATE ('2005-02-01 00:00:00', 'Syyyy-mm-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriItusage_200502 to_date (' 2005-03-01 00:00:00 ', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriTusage_200503 TO_DATE (' 2005-04-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200504 TO_DATE ('2005-05-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriITUSAGE_200505 TO_DATE (' 2005-06-01 00:00:00 ',' Syyyy-mm -DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200506 TO_DATE ('2005-07-01 00:00:00', 'Syyyy-mm-DD HH24: MI: SS', 'NLS_CALENDAR = GREGORAALYTUSAGE_200507 TO_DATE (' 2005- 08-01 00:00:00 ',' syyyy-mm-dd hh24: mi: ss', 'nls_calendar = GregoriItusage_200508 to_date (' 2005-09-01 00:00:00 ',' syyyy-mm-dd hh24: MI: SS ',' NLS_CALENDAR = GREGORIALILYTUSAGE_200509 TO_DATE ('2005-10-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'N LS_CALENDAR = GregoriaAdingTusage_200510 TO_DATE ('2005-11-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GREGORIALYTUSAGE_200511 TO_DATE (' 2005-12-01 00:00:00 ', 'Syyyy-mm-dd hh24: mi: ss', 'NLS_CALENDAR = GregoriTusage_200512 to_date (' 2006-01-01 00:00:00 ',' Syyyy-mm-DD HH24: MI: SS ',' NLS_CALENDAR = Gregoria24 ROWS Delete Partitions from January and February 2005: SQL> ALTER TABLE LYTUSAGE DROP Partition Lytusage_200501;

Table Altered.SQL> ALTER TABLE LYTUSAGE DROP Partition Lytusage_200502;

Table altered.sql> select partition_name, high_value, tablespace_name from dba_tab_partitions where table_name = 'lytusage';

Lytusage_200401 to_date ('2004-02-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' NLS_CALENDAR = Gregoriawacos

Lytusage_200402 to_date ('2004-03-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200403 to_date ('2004-04-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriawacoslyTusage_200404 TO_DATE (' 2004-05-01 00:00:00 ',' Syyyy -MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIAWACOS

LYTUSAGE_200405 TO_DATE ('2004-06-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200406 to_date ('2004-07-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200407 to_date ('2004-08-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200408 to_date ('2004-09-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200409 to_date ('2004-10-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200410 to_date ('2004-11-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriawacoslyTusage_200411 TO_DATE (' 2004-12-01 00:00:00 ',' Syyyy -MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIAWACOS

Lytusage_200412 to_date ('2005-01-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' NLS_CALENDAR = Gregoriawacos

Lytusage_200503 to_date ('2005-04-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200504 to_date ('2005-05-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200505 to_date ('2005-06-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' NLS_CALENDAR = Gregoriawacos

Lytusage_200506 to_date ('2005-07-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200507 to_date ('2005-08-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200508 to_date ('2005-09-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' NLS_CALENDAR = Gregoriawacos

Lytusage_200509 to_date ('2005-10-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' NLS_CALENDAR = Gregoriawacos

Lytusage_200510 to_date ('2005-11-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

Lytusage_200511 to_date ('2005-12-01 00:00:00', 'syyyy-mm-dd hh24: mi: ss',' nls_calendar = Gregoriawacos

Lytusage_200512 to_date ('2006-01-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = Gregoriawacos

22 rows selected.sql> ALTER TABLE lytusage split partition lytusage_200503 at (to_date ('2005-03-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS')) INTO (Partition Lytusage_200502 TableSpace WacOS, partition LYTUSAGE_200503 tablespace wacos) UPDATE GLOBAL INDEXES; Table altered.SQL> ALTER TABLE LYTUSAGE SPLIT PARTITION LYTUSAGE_200502 AT (TO_DATE ( '2005-02-01 00:00:00', 'SYYYY-MM-DD HH24: MI: SS') INTO (Partition Lytusage_200501 TableSpace Wacos, Partition WacOS) Update Global Indexes; Table Altered.Partition_name High_Value ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - - ------------------------------------------------ -------------------------------- lytusage_200412 to_date ('2005-01-01 00:00:00', 'Syyyy -MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORAALYTUSAGE_200401 TO_DATE ('2004-02-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriTUSAGE_200402 TO_DATE (' 2004-03-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALY Tusage_200403 to_date ('2004-04-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriItusage_200404 TO_DATE (' 2004-05-01 00:00:00 ',' Syyyy -MM-DD HH24: MI: SS ',' NLS_CALENDAR = GregoriTusage_200405 TO_DATE ('2004-06-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GREGORIALYTUSAGE_200406 TO_DATE (' 2004-07-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200407 TO_DATE ('2004-08-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS '

, 'NLS_CALENDAR = GregoriTusage_200408 to_date (' 2004-09-01 00:00:00 ',' Syyyy-mm-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200409 TO_DATE ('2004-10-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = Gregorialtusage_200410 TO_DATE ('2004-11-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregorialyTusage_200411 to_date ('2004-12-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GREGORORILYTUSAGE_200503 TO_DATE (' 2005-04-01 00:00:00 ',' Syyyy -MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200504 TO_DATE ('2005-05-01 00:00:00', 'syyyy-mm-dd HH24: MI: SS', 'NLS_CALENDAR = GREGORIALYTUSAGE_200505 TO_DATE (' 2005-06-01 00:00:00 ',' Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORAALTUSAGE_200506 TO_DATE ('2005-07-01 00:00:00', 'SyyyY-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORIALYTUSAGE_200507 TO_DATE ('2005-08-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriTusage_200508 to_date (' 2005-09-01 00:00:00 ',' syyyy-mm-dd HH24: MI: SS ',' NLS_CALENDAR = GregoriItusage_200509 TO_DATE ('2005-10-01 00:00:00' , 'Syyyy-mm-dd hh24: mi: ss', 'NLS_CALENDAR = GregoriITUSAGE_200510 TO_DATE (' 2005-11-01 00:00:00 ',' syyyy-mm-dd hh24: mi: ss ',' NLS_CALENDAR = GregoriTUSAGE_200511 TO_DATE ('2005-12-01 00:00:00', '

Syyyy-MM-DD HH24: MI: SS ',' NLS_CALENDAR = GREGORAALTUSAGE_200512 TO_DATE ('2006-01-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GREGORIALYTUSAGE_200501 TO_DATE '2005-02-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS', 'NLS_CALENDAR = GregoriITUSAGE_200502 TO_DATE (' 2005-03-01 00:00:00 ',' Syyyy-mm- DD HH24: MI: SS ',' NLS_CALENDAR = Gregoria24 Rows SELECTED.SQL> ALTER TABLE LYTUSAGE DROP Partition Lytusage_200511;

Table altered.

SQL> ALTER TABLE LYTUSAGE DROP Partition Lytusage_200512;

Table altered.sql> ALTER TABLE LYTUSAGE ADD Partition Lytusage_200511 Values Less Than (To_Date ('2005-12-01 00:00:00', 'Syyyy-MM-DD HH24: MI: SS') TABLESPACE WAOS Storage (Initial 1M NEXT 10M MINEXTENTS 1 MAXEXTENTS unlimited PCTINCREASE 0) PCTFREE 5 PCTUSED 95 NOLOGGING; Table altered.ALTER TABLE LYTUSAGE ADD PARTITION LYTUSAGE_200512 VALUES LESS THAN (TO_DATE ( '2006-01-01 00:00:00', 'SYYYY-MM-DD HH24 : MI: SS ')) TABLESPACE WACOS Storage (Initial 1M Next 10M Mineltnce (Initial 1M next 10m Mineltnce) PctFree 5 Pctused 95 NOLOGGING; TABLE ALTERED.

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