CREATE TABLE partitioned_table ( id NUMBER, data_date DATE, data_value NUMBER ) PARTITION BY RANGE (data_date) ( PARTITION p1 VALUES LESS THAN (TO_DATE('2022-01-01', 'YYYY-MM-DD')), PARTITION p2 VALUES LESS THAN (TO_DATE('2023-01-01', 'YYYY-MM-DD')), PARTITION p3 VALUES LES...
--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...
哈希分区表是通过 create table 语句的 partition by hash 子句来创建的,创建时你可以显式的指定每个分区名称,所属表空间。 create table hash_part1 ( id number, name varchar2(32)) partition by hash(id) ( partition p1 tablespace tbs1, partition p2 tablespace tbs2 ); 也可以仅指定哈希分区的数量,...
1. 创建新的分区表 我们需要创建一个与原分区表结构相同的新分区表,假设原分区表名为old_partitioned_table,新分区表名为new_partitioned_table,并且它们具有相同的列和数据类型。 CREATE TABLE new_partitioned_table ( 列定义与原分区表相同 ) PARTITION BY RANGE (column_name) ( PARTITION p0 VALUES LESS T...
SQL> CREATE TABLE T (ID NUMBER PRIMARY KEY, TIME DATE); 表已创建。 SQL> INSERT INTO T SELECT ROWNUM, CREATED FROM DBA_OBJECTS; 已创建6264行。 SQL> COMMIT; 提交完成。 SQL> CREATE TABLE T_NEW (ID NUMBER PRIMARY KEY, TIME DATE) PARTITION BY RANGE (TIME) ...
1) Create a partitioned table: SQL> create table partbl (qty number(3), name varchar2(15)) partition by range (qty) (partition p1 values less than (501),partition p2 values less than (maxvalue)); 2) Insert into the partitioned table with a subquery from the non-partitioned table:...
CREATE TABLE ListTable ( id INT PRIMARY KEY , name VARCHAR (20), area VARCHAR (10) ) PARTITION BY LIST (area) ( PARTITION part1 VALUES ('guangdong','beijing') TABLESPACE Part1_tb, PARTITION part2 VALUES ('shanghai','nanjing') TABLESPACE Part2_tb ); ) 散列分区: 这类分区是在列值上...
不能用于合并引用分区表(reference-partitioned table) 合并范围分区 允许合并两个临近范围的分区到另外分区,不相邻分区无法合并。合并结果分区继承两个源分区的最大边界。 demo: 1--Create a Table with four partitions each on its own tablespace2--Partitioned by range on the data column.3CREATETABLEfour_...
1) Create a partitioned table: SQL> create table partbl (qty number(3), name varchar2(15)) partition by range (qty) (partition p1 values less than (501),partition p2 values less than (maxvalue)); 2) Insert into the partitioned table with a subquery from the non-partitioned table:...
Database version - 9.2.0.8 Create Partitioned table which PARTITION BY RANGE (EOW_DATE column which is of data type date) and then SUBPARTITION BY HASH (store column of number datatype) Below are the list of columns Name Null? Type ...