例子
CREATE TABLE T_DPI_FIRSTVISIT_HTTP(
DATE_TAG DATE,
ACC_NBR VARCHAR2(20),
CATEGORY VARCHAR2(200),
SUB_DOMAIN VARCHAR2(1000),
TOTAL_FLOW NUMBER(10),
TOTAL_DURATION NUMBER(10)
)
PARTITION BY RANGE(DATE_TAG)
INTERVAL (numtodsinterval(1,'DAY'))
(
PARTITION part_01 values LESS THAN (TO_DATE('20131226','YYYYMMDD'))
);
查询表分区的信息
SELECT * FROM USER_SEGMENTS;
清空表分区数据：
alter table 表名 truncate partition 分区名;
直接删除分区：
alter table 表名 drop partition 分区名;
http://blog.csdn.net/gavinloo/article/details/25137567
转载于:https://www.cnblogs.com/liuzhuqing/p/7480231.html
