partitionbyrange (HIREDATE) ( partition P_HIREDATE_1valuesless than (TO_DATE('1981-01-01 00:00:00','SYYYY-MM-DD HH24:MI:SS','NLS_CALENDAR=GREGORIAN')) tablespace TBS_CLPC_META pctfree10initrans1maxtrans255, partition P_HIREDATE_2valuesless than (TO_DATE('1982-01-01 00:00:00',...
partition by range(time_id) subpartition by range (time_id) --指定主表分区和子分区分区方式都是:范围分区,并按照列time_id 进行范围划分 ( partition sales_part_1998 values less than (TO_DATE('1999-01-01 00:00:00', 'YYYY-MM-DD HH24:MI:SS')) tablespace EXAMPLE ( subpartition sales_part...
oracle partition by range 语法oracle partition by range语法 Oracle的分区语法中,PARTITION BY RANGE是一种常用的分区方式。它基于列值的范围将表分为若干个分区,每个分区存储一定范围内的数据。 PARTITION BY RANGE语法的基本格式如下: ``` CREATE TABLE table_name ( column1 datatype, column2 datatype, .....
PARTITION part_1 VALUE LESS THAN(18), PARTITION part_2 VALUE LESS THAN(40), PARTITION part_3 VALUE LESS THAN(120) ) ; 2.散列分区 create table range_example ( range_column number, sj date ) PARTITION BY HASH(range_column) ( PARTITION part_1, PARTITION part_2 ); 使用散列分区你无法控...
***/--创建示例表createtablerange_example ( idnumber(2), done_date date, datavarchar2(50) )--创建分区,分区键为示例表(range_example)中的 done_date 字段partitionbyrange (done_date) ( partition part_1valuesless than ( to_date('20160901','yyyymmdd') ), partition...
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 ( ...
CREATE TABLE "T_RANGE_0" ( "A" NUMBER, "B" NUMBER NOT NULL, CONSTRAINT "T_RANGE_10_UK" UNIQUE ("B") )PARTITION BY RANGE ("A")( ... ); CREATE TABLE T_RANGE_10 ( "A" INT, "B" INT, ...
SQL> create table TEST_TABLE1 (qty number(3), name varchar2(15)) partition by range (qty)(partition p1 values less than (501), partition p2 values less than (maxvalue)); 4) Import the table with ignore=y: $ imp/file=exp.dmp ignore=y ...
--PARTITION BY RANGE(column1):指定一个分区范围列 --INTERVAL:指定分区间隔 --STORE IN:指定分区存储的表空间 (2.2)间隔分区创建限制 间隔分区是范围分区的扩展,其支持范围有限,在Oracle 11g中,间隔分区只能指定一个分区键列,并且数据类型必须为NUMBER或者DATE类型。因为TIMESTAMP数据类型是DATE类型的扩展,可在分区...
CREATE TABLE rangeexample( range_key_column DATE, DATA VARCHAR2(20), ID integer ) PARTITION BY RANGE(range_key_column) ( PARTITION part01 VALUES LESS THAN(TO_DATE('2008-07-01 00:00:00','yyyy-mm-dd hh24:mi:ss')) TABLESPACE test_space01, ...