在SUBPARTITION中使用INTERVAL(NUMTOYMINTERVAL(1,'MONTH')

Question

我正在尝试将分区添加到我创建的表中.我希望它在"PARTITION GRP"上分区并按月分组.但我不知道如何在子分区内编写INTERVAL子句.有人可以帮我吗？谢谢!

PARTITION BY RANGE (PARTITION_GRP)
SUBPARTITION BY RANGE (RPTG_MTH_DATE)
INTERVAL(NUMTOYMINTERVAL(1,'MONTH'))
(
   PARTITION PG_0 VALUES LESS THAN (1)
  (SUBPARTITION PG_0_201401 VALUES LESS THAN (TO_DATE('1-FEB-2014', 'DD-MON-YYYY'))),
   PARTITION PG_1 VALUES LESS THAN (2)
  (SUBPARTITION PG_1_201401 VALUES LESS THAN (TO_DATE('1-FEB-2014', 'DD-MON-YYYY'))),   
   PARTITION PG_2 VALUES LESS THAN (3)
  (SUBPARTITION PG_2_201401 VALUES LESS THAN (TO_DATE('1-FEB-2014', 'DD-MON-YYYY'))),
   PARTITION PG_3 VALUES LESS THAN (4)
  (SUBPARTITION PG_3_201401 VALUES LESS THAN (TO_DATE('1-FEB-2014', 'DD-MON-YYYY'))),
   PARTITION PG_4 VALUES LESS THAN (MAXVALUE)
  (SUBPARTITION PG_4_201401 VALUES LESS THAN (TO_DATE('1-FEB-2014', 'DD-MON-YYYY')))
 ) 

Answer 1

从文档:

间隔分区
的限制 INTERVAL条款受以下限制:

• 您只能指定一个分区键列,它必须是NUMBER或DATE类型.
• 索引组织表不支持此子句.
• 您无法在间隔分区表上创建域索引.
• 子分区级别不支持间隔分区....

所以你不能有间隔子分区.