PARTITION P201911 VALUES LESS THAN ('20191101') TABLESPACE RS_DATA, PARTITION P201912 VALUES LESS THAN ('20191201') TABLESPACE RS_DATA, PARTITION P202001 VALUES LESS THAN ('20200101') TABLESPACE RS_DATA, PARTITION P202002 VALUES LESS THAN ('20200201') TABLESPACE RS_DATA, PARTITION PMAX VALUES...
beginforjin(selectu.index_name,u.partition_name,ui.table_namefromuser_ind_partitions u,user_indexes uiwhereu.status ='UNUSABLE'and u.index_name =ui.index_name) loop execute immediate'alter index'||j.index_name||'rebuild partition'||j.partition_name||'online'; end loop; end; ORACLE分区...
An alternative to insert ... select is to use create table as select: creating the partitioned table and loading data into it in one go. The execution plan shows direct path load with both dml and select parts parallel. SQL>alter session enable parallel dml; 1. SQL> create table partbl...
partition p3 values less than (to_date('2010-12-1', 'yyyy-mm-dd')), partition p4 values less than (maxvalue) ) create table r --创建基于值范围的分区,分区子句未指定表空间时则位于缺省的表空间 (a int) partition by range (a) ( partition p1 values less than (10), partition p2 value...
create_time DATE ) PARTITION BY RANGE (CREATE_TIME) INTERVAL (numtoyminterval(1, 'year')) (partition part_t01 values less than(to_date('2018-11-01', 'yyyy-mm-dd'))); --创建主键 alter table test_part add constraint test_part_pk primary key (ID) using INDEX; ...
oracle create table partition by 表达式在Oracle数据库中,分区表是一种将表物理上分割成多个独立的部分的技术。每个分区可以独立于其他分区进行存储、备份和索引,从而提高了查询性能、数据管理和维护的便利性。 创建分区表时,您可以使用表达式来确定分区键,这个表达式基于表中的一列或多列。例如,您可能想要根据日期对...
PARTITION partition2015 VALUES LESS THAN(to_date('2016-01-01:00:00:00','yyyy-mm-dd hh24:mi:ss')) ); (3.2)按”月“自动创建分区(关键字:NUMTOYMINTERVAL) 例子:创建按月自动分区表,按照员工生日(birthday字段),每月一个分区。 CREATE TABLE interval_month_table01 ...
范围分区表是通过 create table 语句的 partition by range 子句来创建的,分区的范围通过 values less than 子句指定,其指定的是分区的上限(不包含),所有大于等于指定值的数据被分配至下一个分区,除了第一个分区,每个分区的下限即前一个分区的上限: create table members ( ...
--创建主键 alter table test_part add constraint test_part_pk primary key (ID) using INDEX; 2.3 按天创建 NUMTODSINTERVAL(1, 'day') --按天创建分区表 create table test_part ( ID NUMBER(20) not null, REMARK VARCHAR2(1000), create_time DATE ) PARTITION BY RANGE (CREATE_TIME) INTERVAL ...
'NLS_CALENDAR=GREGORIAN')) tablespace USERS, partition T1_MAX values less than (maxvalue) tablespace USERS) nologging parallel 4 enable row movement tablespace USERS as select /*+parallel(t,8)*/ * from T1_01 t where 1 = 2; --附加日志和取消并行 alter table T1 logging; alter table T1 ...