--Create tablecreatetableSTRIPE_REGIONAL_SALES ( deptnoNUMBER, item_noVARCHAR2(20), txn_amountNUMBER, stateVARCHAR2(2) ) partitionbyrange (TXN_AMOUNT) subpartitionbylist (STATE) ( partition Q1_2010valuesless than (100) tablespace TBS_INSIGHT_DEV pctfree10initrans1maxtrans255( subpartition Q1_20...
语法及说明: create table table_name( col1 datatype, col2 datatype, ... ) partition by partition_method(column_name) ( partition partition_name values(value1), partition partition_name values(value2), ... ) 其中partition_methon可以用如下几种: range:按照分区; list:按照列表; hash:按照哈希...
create table t1 (id1 number,id2 number) partition by range (id1) subpartition by list (id2) (partition p11 values less than (11) (subpartition subp1 values (1)) ); 索引分区: CREATE INDEX month_ix ON sales(sales_month) GLOBAL PARTITION BY RANGE(sales_month) (PARTITION pm1_ix VALUES ...
AI代码解释 create tableuser(user_idvarchar2(20char),user_namevarchar2(50char),part_flagNUMBER(1))partition byrange(part_flag)subpartition bylist(user_id)(partition p1 values lessthan(50')(subpartition s1values('01','02','03','04','05','06','07','08','09','10'),subpartition s1v...
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 t1 (id1 number,id2 number) partition by range (id1) subpartition by list (id2) (partition p11 values less than (11) (subpartition subp1 values (1)) ); 索引分区: CREATE INDEX month_ix ON sales(sales_month) GLOBAL PARTITION BY RANGE(sales_month) ...
CREATE TABLE list_example( dname VARCHAR2(10), DATA VARCHAR2(20) )PARTITION BY LIST(dname) ( PARTITION part01 VALUES('ME','PE','QC','RD'), PARTITION part02 VALUES('SMT','SALE') ); 3、哈希分区表 CREATE TABLE hash_example(
value(210,220)), rpad('*', 1, '*') from dual connect by rownum <= 1000; 3.2 列表分区 代码语言:javascript 代码运行次数:0 运行 AI代码解释 create table list_part_tab (seq number,deal_date date,unit_code number,remark varchar2(100)) partition by list (unit_code) ( partition p1 ...
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...
list_partition_definition is: PARTITION [partition_name] VALUES (value[, value]...) [TABLESPACE tablespace_name] [(subpartition, ...)] Range partitioning syntax The second form is to create a range-partitioned table: CREATE TABLE [ schema. ]table_name table_definition PARTITION BY RANGE...