编写SQL查询范围分区类型,MAX分区范围

需求

对于分区表，对于范围分区类型来说，查询MAX分区及对应的分区范围。

==查询分区表对应的最大分区信息
==排除了自扩展分区(如果是自扩展分区，但是最大的分区不是自扩展的并未排除在外)
==排除了删除的分区表及SYS用户下的,显示范围类型分区表最大分区及分区范围
WITH A AS
 (SELECT TABLE_OWNER, TABLE_NAME, MAX(PARTITION_POSITION) POSI
    FROM DBA_TAB_PARTITIONS
   WHERE TABLE_NAME IN (SELECT DISTINCT TABLE_NAME
                          FROM DBA_PART_TABLES
                         WHERE OWNER NOT LIKE '%SYS%'
                           AND PARTITIONING_TYPE = 'RANGE')
   GROUP BY TABLE_OWNER, TABLE_NAME),
  B AS (
SELECT P.TABLE_OWNER, P.TABLE_NAME, PARTITION_NAME, HIGH_VALUE
  FROM DBA_TAB_PARTITIONS P, A
 WHERE P.TABLE_OWNER = A.TABLE_OWNER
   AND P.TABLE_NAME = A.TABLE_NAME
   AND P.PARTITION_POSITION = A.POSI
   AND P.TABLE_NAME NOT LIKE 'BIN$%'
   AND P.INTERVAL!='YES'),
Aa AS
 (SELECT TABLE_OWNER, TABLE_NAME,PARTITION_NAME, MAX(SUBPARTITION_POSITION) POSI
    FROM DBA_TAB_SUBPARTITIONS
   WHERE (TABLE_OWNER,TABLE_NAME) IN (SELECT DISTINCT OWNER,TABLE_NAME
                          FROM DBA_PART_TABLES
                         WHERE OWNER NOT LIKE '%SYS%'
                           AND SUBPARTITIONING_TYPE = 'RANGE')
   GROUP BY TABLE_OWNER,TABLE_NAME,PARTITION_NAME),
Bb AS (
SELECT P.TABLE_OWNER, P.TABLE_NAME, P.PARTITION_NAME||' '||P.SUBPARTITION_NAME AS "PARTITION_NAME",HIGH_VALUE
  FROM DBA_TAB_SUBPARTITIONS P, Aa
 WHERE P.TABLE_OWNER = Aa.TABLE_OWNER
   AND P.TABLE_NAME = Aa.TABLE_NAME
   AND p.PARTITION_NAME=Aa.PARTITION_NAME
   AND P.SUBPARTITION_POSITION = Aa.POSI
   AND P.TABLE_NAME NOT LIKE 'BIN$%'
   AND P.INTERVAL!='YES')
 select * from B
 union all
select * from Bb;
TABLE_OWNE TABLE_NAME PARTITION_NAME       HIGH_VALUE
---------- ---------- -------------------- --------------------------------------------------------------------------------
SCOTT      A1         P15                  TO_DATE(' 2020-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A12        P_MAX                MAXVALUE
SCOTT      A2         SYS_P42              MAXVALUE
SCOTT      A11        P14                  TO_DATE(' 2020-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B1         D228 PD228_13        TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B11        D240 PD240_12        TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B1         D229 PD229_12        TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B12        D230 PD230_MAX       MAXVALUE
SCOTT      B2         D230 PD230_MAX       MAXVALUE
SCOTT      B11        D228 PD228_13        TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228 PD228_MAX       MAXVALUE
SCOTT      B2         D229 PD229_MAX       MAXVALUE
SCOTT      B1         D240 PD240_12        TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B11        D243 PD243_2         TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B12        D229 PD229_MAX       MAXVALUE
SCOTT      B1         D241 PD241_2         TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B11        D229 PD229_12        TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B11        D241 PD241_2         TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B11        D242 PD242_2         TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B12        D228 PD228_MAX       MAXVALUE
 
 rows selected.
 
===使用如下链接,达到排除MAX以及后续可以加条件进行过滤
参考如下链接
http://note.youdao.com/noteshare?id=0d67e2b6ce09f83b72be1f54409ae6bf&sub=3B635C69EEB449A495585F0F79A418B2
http://www.oracleplus.net/arch/281.html
案例:Oracle数据库long查询结果转换为varchar2类型方法的操作步骤
WITH A AS
 (SELECT TABLE_OWNER, TABLE_NAME, MAX(PARTITION_POSITION) POSI
    FROM DBA_TAB_PARTITIONS
   WHERE TABLE_NAME IN (SELECT DISTINCT TABLE_NAME
                          FROM DBA_PART_TABLES
                         WHERE OWNER NOT LIKE '%SYS%'
                           AND PARTITIONING_TYPE = 'RANGE')
   GROUP BY TABLE_OWNER, TABLE_NAME),
  B AS (
SELECT P.TABLE_OWNER, P.TABLE_NAME, PARTITION_NAME, HIGH_VALUE, INTERVAL
  FROM DBA_TAB_PARTITIONS P, A
 WHERE P.TABLE_OWNER = A.TABLE_OWNER
   AND P.TABLE_NAME = A.TABLE_NAME
   AND P.PARTITION_POSITION = A.POSI
   AND P.TABLE_NAME NOT LIKE 'BIN$%'
   AND P.INTERVAL!='YES'),
  C AS (
SELECT *
  FROM (SELECT  b.TABLE_OWNER,
                b.TABLE_NAME,
                b.PARTITION_NAME,
                LONG_HELP.SUBSTR_OF('SELECT HIGH_VALUE
FROM   DBA_TAB_PARTITIONS WHERE DBA_TAB_PARTITIONS.TABLE_OWNER=:TABLE_OWNER
AND TABLE_NAME=:TABLE_NAME
AND PARTITION_NAME=:PARTITION_NAME',
                                     ,
                                     ,
                                     'TABLE_OWNER',
                                     DBA_TAB_PARTITIONS.TABLE_OWNER,
                                     'TABLE_NAME',
                                     DBA_TAB_PARTITIONS.TABLE_NAME,
                                     'PARTITION_NAME',
                                     DBA_TAB_PARTITIONS.PARTITION_NAME) HIGH_VALUE
           FROM DBA_TAB_PARTITIONS,B WHERE DBA_TAB_PARTITIONS.TABLE_OWNER=B.TABLE_OWNER AND DBA_TAB_PARTITIONS.TABLE_NAME=B.TABLE_NAME AND DBA_TAB_PARTITIONS.PARTITION_NAME=B.PARTITION_NAME )
            where high_value not like 'MAXVALUE%'),
Aa AS
 (SELECT TABLE_OWNER, TABLE_NAME,PARTITION_NAME, MAX(SUBPARTITION_POSITION) POSI
    FROM DBA_TAB_SUBPARTITIONS
   WHERE (TABLE_OWNER,TABLE_NAME) IN (SELECT DISTINCT OWNER,TABLE_NAME
                          FROM DBA_PART_TABLES
                         WHERE OWNER NOT LIKE '%SYS%'
                           AND SUBPARTITIONING_TYPE = 'RANGE')
   GROUP BY TABLE_OWNER,TABLE_NAME,PARTITION_NAME),
Bb AS (
SELECT P.TABLE_OWNER, P.TABLE_NAME, P.PARTITION_NAME, P.SUBPARTITION_NAME,HIGH_VALUE
  FROM DBA_TAB_SUBPARTITIONS P, Aa
 WHERE P.TABLE_OWNER = Aa.TABLE_OWNER
   AND P.TABLE_NAME = Aa.TABLE_NAME
   AND p.PARTITION_NAME=Aa.PARTITION_NAME
   AND P.SUBPARTITION_POSITION = Aa.POSI
   AND P.TABLE_NAME NOT LIKE 'BIN$%'
   AND P.INTERVAL!='YES'),
   Cc as (
SELECT TABLE_OWNER,TABLE_NAME,PARTITION_NAME||' '||SUBPARTITION_NAME AS "PARTITION_NAME",HIGH_VALUE
  FROM (SELECT  Bb.TABLE_OWNER,
                Bb.TABLE_NAME,
                Bb.PARTITION_NAME,
                Bb.SUBPARTITION_NAME,
                LONG_HELP.SUBSTR_OF('SELECT HIGH_VALUE
FROM   DBA_TAB_SUBPARTITIONS WHERE TABLE_OWNER=:TABLE_OWNER
AND TABLE_NAME=:TABLE_NAME
AND PARTITION_NAME=:PARTITION_NAME
AND SUBPARTITION_NAME=:SUBPARTITION_NAME',
                                     ,
                                     ,
                                     'TABLE_OWNER',
                                     DBA_TAB_SUBPARTITIONS.TABLE_OWNER,
                                     'TABLE_NAME',
                                     DBA_TAB_SUBPARTITIONS.TABLE_NAME,
                                     'PARTITION_NAME',
                                     DBA_TAB_SUBPARTITIONS.PARTITION_NAME,
                                     'SUBPARTITION_NAME',
                                     DBA_TAB_SUBPARTITIONS.SUBPARTITION_NAME) HIGH_VALUE
           FROM DBA_TAB_SUBPARTITIONS,Bb WHERE DBA_TAB_SUBPARTITIONS.TABLE_OWNER=Bb.TABLE_OWNER AND DBA_TAB_SUBPARTITIONS.TABLE_NAME=Bb.TABLE_NAME AND DBA_TAB_SUBPARTITIONS.PARTITION_NAME=Bb.PARTITION_NAME AND DBA_TAB_SUBPARTITIONS.SUBPARTITION_NAME=Bb.SUBPARTITION_NAME)
            where high_value not like 'MAXVALUE%')
 select * from C
 union all
select * from Cc;
TABLE_OWNE TABLE_NAME PARTITION_NAME                 HIGH_VALUE
---------- ---------- ------------------------------ -------------------------------------------------------------------------------------
SCOTT      A1         P15                            TO_DATE(' 2020-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      A11        P14                            TO_DATE(' 2020-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B1         D228 PD228_13                  TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B1         D229 PD229_12                  TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B1         D240 PD240_12                  TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B1         D241 PD241_2                   TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D228 PD228_13                  TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D229 PD229_12                  TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D240 PD240_12                  TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D241 PD241_2                   TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D242 PD242_2                   TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
SCOTT      B11        D243 PD243_2                   TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')
 
 rows selected.

---测试,验证分区的编号是否是有顺序的，及MAX编号是否对应MAX分区

SQL>  select TABLE_OWNER,TABLE_NAME,PARTITION_NAME,PARTITION_POSITION from DBA_TAB_PARTITIONS where table_owner='SCOTT' and TABLE_NAME='A2';
TABLE_OWNE TABLE_NAME                     PARTITION_NAME       PARTITION_POSITION
---------- ------------------------------ -------------------- ------------------
SCOTT      A2                             P1
SCOTT      A2                             P2
SCOTT      A2                             P3
SCOTT      A2                             P4
SCOTT      A2                             P5
SCOTT      A2                             P6
SCOTT      A2                             P7
SCOTT      A2                             P8
SCOTT      A2                             P9
SCOTT      A2                             P10
SCOTT      A2                             P11
SCOTT      A2                             P12
SCOTT      A2                             P13
SCOTT      A2                             P14
SCOTT      A2                             SYS_P41
SCOTT      A2                             SYS_P42
 rows selected.
 
SQL> select table_owner,table_name,PARTITION_NAME,HIGH_VALUE from DBA_TAB_PARTITIONS where table_owner='SCOTT' and table_name='A2';
TABLE_OWNE TABLE_NAME                     PARTITION_NAME       HIGH_VALUE
---------- ------------------------------ -------------------- ------------------------------------------------------------------------------------------
SCOTT      A2                             P1                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P10                  TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P11                  TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P12                  TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P13                  TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P14                  TO_DATE(' 2020-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P2                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P3                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P4                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P5                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P6                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P7                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P8                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             P9                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             SYS_P41              TO_DATE(' 2020-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      A2                             SYS_P42              MAXVALUE
 rows selected.
 
SQL>alter table a2 split partition SYS_P41 at (to_date('2020-03-15','yyyy-mm-dd')) into (partition SYS_P43,partition SYS_P41);
SQL> select TABLE_OWNER,TABLE_NAME,PARTITION_NAME,PARTITION_POSITION from DBA_TAB_PARTITIONS where table_owner='SCOTT' and TABLE_NAME='A2';
 
TABLE_OWNE TABLE_NAME                     PARTITION_NAME       PARTITION_POSITION
---------- ------------------------------ -------------------- ------------------
SCOTT      A2                             P1
SCOTT      A2                             P2
SCOTT      A2                             P3
SCOTT      A2                             P4
SCOTT      A2                             P5
SCOTT      A2                             P6
SCOTT      A2                             P7
SCOTT      A2                             P8
SCOTT      A2                             P9
SCOTT      A2                             P10
SCOTT      A2                             P11
SCOTT      A2                             P12
SCOTT      A2                             P13
SCOTT      A2                             P14
SCOTT      A2                             SYS_P43
SCOTT      A2                             SYS_P41
SCOTT      A2                             SYS_P42                              
 
 rows selected.
也就是说,Oracle会根据分区范围调整PARTITION_POSITION 值,因此查询范围最大的分区,可以使用PARTITION_POSITION  MAX对应得分区名称
 
SQL>
   select TABLE_OWNER,TABLE_NAME,PARTITION_NAME,SUBPARTITION_NAME,SUBPARTITION_POSITION,HIGH_VALUE from DBA_TAB_SUBPARTITIONS WHERE TABLE_OWNER ='SCOTT' and table_name='B2';
TABLE_OWNE TABLE_NAME PARTITION_ SUBPARTITION_NAME    SUBPARTITION_POSITION HIGH_VALUE
---------- ---------- ---------- -------------------- --------------------- -------------------------------------------------------------------------------------
SCOTT      B2         D228       PD228_1                                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_2                                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_3                                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_4                                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_5                                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_6                                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_7                                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_8                                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_9                                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_10                                 TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_11                                 TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_12                                 TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_13                                 TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_14                                 TO_DATE(' 2020-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_15                                 TO_DATE(' 2020-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_MAX                                MAXVALUE
SCOTT      B2         D229       PD229_1                                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_2                                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_3                                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_4                                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_5                                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_6                                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_7                                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_8                                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_9                                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_10                                 TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_11                                 TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_12                                 TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_MAX                                MAXVALUE
SCOTT      B2         D230       PD230_1                                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_2                                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_3                                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_4                                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_5                                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_6                                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_7                                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_8                                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_9                                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_10                                 TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_11                                 TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_12                                 TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D230       PD230_MAX                                MAXVALUE
 
 rows selected.
SQL>alter table scott.b2
split subpartition PD228_MAX at (to_date('2020-05-01','yyyy-mm-dd')) into (
subpartition PD228_16,
subpartition PD228_MAX
) update indexes;
 
   select TABLE_OWNER,TABLE_NAME,PARTITION_NAME,SUBPARTITION_NAME,SUBPARTITION_POSITION,HIGH_VALUE from DBA_TAB_SUBPARTITIONS WHERE TABLE_OWNER ='SCOTT' and table_name='B2';
 
TABLE_OWNE TABLE_NAME PARTITION_ SUBPARTITION_NAME    SUBPARTITION_POSITION HIGH_VALUE
---------- ---------- ---------- -------------------- --------------------- -------------------------------------------------------------------------------------
SCOTT      B2         D228       PD228_1                                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_2                                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_3                                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_4                                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_5                                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_6                                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_7                                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_8                                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_9                                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_10                                 TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_11                                 TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_12                                 TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_13                                 TO_DATE(' 2020-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_14                                 TO_DATE(' 2020-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_15                                 TO_DATE(' 2020-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_16                                 TO_DATE(' 2020-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D228       PD228_MAX                                MAXVALUE
 
SCOTT      B2         D229       PD229_1                                   TO_DATE(' 2019-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_2                                   TO_DATE(' 2019-03-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_3                                   TO_DATE(' 2019-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_4                                   TO_DATE(' 2019-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_5                                   TO_DATE(' 2019-06-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_6                                   TO_DATE(' 2019-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_7                                   TO_DATE(' 2019-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_8                                   TO_DATE(' 2019-09-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_9                                   TO_DATE(' 2019-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_10                                 TO_DATE(' 2019-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_11                                 TO_DATE(' 2019-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_12                                 TO_DATE(' 2020-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
SCOTT      B2         D229       PD229_MAX                                MAXVALUE

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