方法1: 新建分区表, 然后insert select; 或者在创建新分区表的同时插入(CTAS,create table as select). 完成后做两次rename table操作. 方法2: 在线重定义, 使用DBMS_REDEFINITION, 步骤有点复杂 ,网上有很多介绍该方法的文章, 可以百度一下. 方法3: 创建只有一个分区的分区表, 用exch
1CREATETABLErange_example(2range_key_column DATE,3DATAVARCHAR2(20),4IDinteger5) PARTITIONBYRANGE(range_key_column)6(7PARTITION part01VALUESLESS THAN (TO_DATE('2008-07-1 00:00:00','yyyy-mm-dd hh24:mi:ss')) TABLESPACE tbs01,8PARTITION part02VALUESLESS THAN (TO_DATE('2008-08-1 00:...
ALTER TABLE SALES ADD PARTITION P3 VALUES LESS THAN (TO_DATE('2003-06-01','YYYY-MM-DD')) TABLESPACE SPACE_NAME; 注意:增加一个分区的时候,增加的分区的条件必须大于现有分区的最大值,否则系统将提示ORA-14074 partition bound must collate higher than that of the last partition 错误。 以下代码给SA...
ALTER TABLE SALES ADD PARTITION P3 VALUES LESS THAN (TO_DATE('2003-06-01','YYYY-MM-DD')) TABLESPACE SPACE_NAME; 1. 注意:增加一个分区的时候,增加的分区的条件必须大于现有分区的最大值,否则系统将提示ORA-14074 partition bound must collate higher than that of the last partition 错误。 1. 以...
Also reviewNote 552424.1Export/Import DataPump Parameter ACCESS_METHOD - How to Enforce a Method of Loading and Unloading Data ? B. Insert with a subquery method 1) Create a partitioned table: SQL> create table partbl (qty number(3), name varchar2(15)) partition by range (qty) (partition...
When to Partition a Table什么时候需要分区表,官网的2个建议如下: Tables greater than 2GB should always be considered for partitioning. Tables containing historical data, in which new data is added into the newest partition. A typical example is a historical table where only the current month's da...
**转载自 MOS 文档1070693.6 :How to Partition a Non-partitioned / Regular / Normal Table (Doc ID 1070693.6) ** Partitioning a regular/non-partitioned table can be done in five ways: A. Export/import method B. Insert with a subquery method C. Partition Exchange method D. DBMS_REDEFINITION...
oracle分区表的建立方法(Method for establishing Oracle partition table) Oracle provides partitioning techniques to support VLDB (Very, Large, DataBase). The partition table partitions the different columns of the partition column into different partitions by judging the partition column. The partition is...
参考MOS文档:How To Partition Existing Table Using DBMS_REDEFINITION (Doc ID 472449.1) 支持的数据库版本:Oracle Database - Enterprise Edition - Version 9.2.0.4 and later 在线重定义是通过 物化视图 实现的。 使用在线重定义的一些限制条件: 1、必须有足够的表空间来容纳表的两倍数据量。 2、主键列不能...
Oracle Cloud Infrastructure - Version N/A and laterLinux x86Linux x86-64GoalThere are different options to create or manage partitions under Oracle Linux. Parted is one of them. This note describes its usage and the use case when creating a new partition table....