oracle按照日期自动进行表分区

--创建自动分区表:

--已日期类型分区

CREATETABLET_DPI_FirsTVISIT_HTTP(

DATE_TAGDATE,

STATDATEVARCHAR(8),

ACC_NBRVARCHAR2(20),

CATEGORYVARCHAR2(200),

SUB_DOMAINVARCHAR2(1000),

TOTAL_FLOWNUMBER(10),

TOTAL_DURATIONNUMBER(10)

)

PARTITIONBYRANGE(DATE_TAG)

INTERVAL(numtodsinterval(1,'DAY'))

(

PARTITIONpart_01valuesLEsstHAN(TO_DATE('20171231','YYYYMMDD'))

);

insertintoT_DPI_FirsTVISIT_HTTP(DATE_TAG,STATDATE,ACC_NBR,CATEGORY,SUB_DOMAIN,TOTAL_FLOW,TOTAL_DURATION)

VALUES(SYSDATE+2,TO_CHAR(SYSDATE,'YYYYMMDD'),'00001','GATEGORY','sub_domain',6,7);

select*fromT_DPI_FirsTVISIT_HTTP

--查询表分区的信息

SELECT*FROMUSER_SEGMENTS;

--清空表分区数据：

altertableT_DPI_FirsTVISIT_HTTPtruncatepartitionpart_01;

--直接删除分区：

altertableT_DPI_FirsTVISIT_HTTPdroppartitionpart_01;