Oracle 创建分区表

-----创建表空间  其中test2是数据库的名称
 create tablespace myTableSpace_1 datafile 'D:/oracle/product/10.2.0/oradata/test2/myTableSpace1.dbf'
 size 100m extent management local uniform size 256K;
 
  create tablespace myTableSpace_2 datafile 'D:/oracle/product/10.2.0/oradata/test2/myTableSpace2.dbf'
 size 100m extent management local uniform size 256K;
 
  create tablespace myTableSpace_3 datafile 'D:/oracle/product/10.2.0/oradata/test2/myTableSpace3.dbf'
 size 100m extent management local uniform size 256K;
 
 
 -----创建分区
 create table MyTest
 (
        id number,
        name nvarchar2(100)
 )
 partition by range(id)
 (
  partition T1 values less than (100) tablespace myTableSpace_1,
  partition T2 values less than (1000) tablespace myTableSpace_2,
  partition T3 values less than (maxvalue) tablespace myTableSpace_3);-----设置表可以修改
alter table mytest enable row movement;
 
  -----给分区表插入数据
 
  insert into MyTest values (10,'f1111');
  insert into MyTest values (20,'f1112');
  insert into MyTest values (100,'f1112');
  insert into MyTest values (200,'f1112');
  insert into MyTest values (1001,'f1112');
  commit;
 
 ------查询分区表
  select * from MyTest
 
  select * from myTest partition(T1);
  select * from myTest partition(T2);
  select * from myTest partition(T3);
 
  ------删除一个有表分区,同时些表分区的数据也将删除
  ALTER TABLE myTest DROP PARTITION T3;
  ------  插入一个表分区,插入时必须是在最大的表分区住下插入
  alter table myTest add partition T3 values less than (10000) tablespace myTableSpace_3;

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