网站推广120,成都网站建设 小兵cms,网站开发问卷调查题,平潭县建设局网站时间分区可以按照年月日时分秒进行分区#xff0c;一般按照日或月分区就足够了#xff0c;这里按照的是日分区demo如下create table APDEMO(OID NUMBER(38) generated as identity (start with 1 increment by 1),--主键#xff0c;自增列REPORTTIME DATE ,AP_MAC VARCHAR2(…时间分区可以按照年月日时分秒进行分区一般按照日或月分区就足够了这里按照的是日分区demo如下create table APDEMO(OID NUMBER(38) generated as identity (start with 1 increment by 1),--主键自增列REPORTTIME DATE ,AP_MAC VARCHAR2(64 CHAR) ,APALIASNAME VARCHAR2(128 CHAR) not null,HOTSPOTNAME VARCHAR2(128 CHAR) not null,LONGITUDE VARCHAR2(64 CHAR) ,CITY VARCHAR2(50 CHAR) not null,constraint pk_APDEMO_OID primary key (OID))partition by range(REPORTTIME) interval (numtodsinterval(1,‘day‘))(partition part_20170101 values less than (to_date(‘20170101‘,‘yyyyMMdd‘)) --这里需要加入一个起始日期);分区貌似不能在已有表上创建只能新建表后将原表数据导入进来原文http://www.cnblogs.com/dushaojun/p/7090346.html
