orcle 10g 创建分区表

来源:互联网 发布:数据架构师 英文 编辑:程序博客网 时间:2024/05/16 08:56

orcle 10g 创建分区表不能自动创建,如果想自动根据时间创建分区表需要写脚本自动增加partition


CREATE TABLE jcsj_sssj (    tagname VARCHAR2(128),   tagvalue VARCHAR2(128),   timetamp DATE  ) PARTITION BY RANGE (timetamp) (  PARTITION P0 VALUES LESS THAN (TO_DATE('11-2-2017', 'dd-mm-yyyy')),  PARTITION P1 VALUES LESS THAN (TO_DATE('21-2-2017', 'dd-mm-yyyy')),  PARTITION P2 VALUES LESS THAN (TO_DATE('1-3-2017', 'dd-mm-yyyy')),  PARTITION P3 VALUES LESS THAN (TO_DATE('11-3-2017', 'dd-mm-yyyy')),  PARTITION P4 VALUES LESS THAN (TO_DATE('21-3-2017', 'dd-mm-yyyy')),  PARTITION P5 VALUES LESS THAN (TO_DATE('1-4-2017', 'dd-mm-yyyy')),  PARTITION P6 VALUES LESS THAN (TO_DATE('11-4-2017', 'dd-mm-yyyy')),  PARTITION P7 VALUES LESS THAN (TO_DATE('21-4-2017', 'dd-mm-yyyy')),  PARTITION P8 VALUES LESS THAN (TO_DATE('1-5-2017', 'dd-mm-yyyy')),  PARTITION P9 VALUES LESS THAN (TO_DATE('11-5-2017', 'dd-mm-yyyy')),  PARTITION P10 VALUES LESS THAN (TO_DATE('21-5-2017', 'dd-mm-yyyy')))
alter table jcsj_sssj add constraints jcpk primary key (timetamp,tagname);--创建联合主键,提供索引提高查询效率



0 0
原创粉丝点击