你可以在 CREATE TABLE AS 语句的末尾添加 PARTITION BY 子句来指定分区方式。例如,你可以使用范围分区、列表分区或哈希分区等。 4. 编写 SQL 语句,使用 CREATE TABLE AS 语法创建分区表 以下是一个使用范围分区创建分区表的示例: sql CREATE TABLE new_partitioned_table AS SELECT * FROM existing_table PARTITIO...
2) Insert into the partitioned table with a subquery from the non-partitioned table: SQL> insert into partbl (qty, name) select * from origtbl; 3) If you want the partitioned table to have the same name as the original table, then drop the original table and rename the new table: ...
create table targer_table as select * from source_table是会复制表结构+表数据, 而create table targer_table as select * from source_table where 1=2;只会创建相同的表结构,不会复制表数据。 Create table as select 语句的两点说明 SQL > create table emp_copy as select * from emp where deptno=1...
--按年创建分区表 create table test_part ( ID NUMBER(20) not null, REMARK VARCHAR2(1000), create_time DATE ) PARTITION BY RANGE (CREATE_TIME) INTERVAL (numtoyminterval(1, 'year')) (partition part_t01 values less than(to_date('2018-11-01', 'yyyy-mm-dd'))); --创建主键 alter ta...
PARTITION CAD2009_12 VALUES LESS THAN (TO_DATE('2009-12-01','YYYY-MM-DD')) ); -- Add comments to the table comment on table T_BI_CurrentAccountDetailed is '往来账明细'; -- Add comments to the columns comment on column T_BI_CurrentAccountDetailed.ORDERDATE ...
SQL>select index_name,table_name,partitioning_type,locality,ALIGNMENTfrom user_part_indexes where table_name=‘CUSTADDR’;index_name table_name partition locali alignment ix_custaddr_local_areacode custaddr list local prefixed ix_custaddr_local_id custaddr list local non_prefixed ...
oracle select create table分区表结构 当我们在Oracle中创建一个分区表时,我们可以在SELECT语句中使用以下语法来创建表的分区结构: ``` CREATE TABLE table_name PARTITION BY RANGE (column_name) ( PARTITION partition_name1 VALUES LESS THAN (value1), PARTITION partition_name2 VALUES LESS THAN (value2),...
(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; -- Create/Recreate indexes create index test_part_create_time on TEST_PART (create_time); ...
create tablespace tbs1; create tablespace tbs2; create tablespace tbs3; create table members ( id number, name varchar2(32), create_time date) partition by range(create_time) ( partition p1 values less than (to_date('2023-02-01', 'yyyy-mm-dd')) tablespace tbs1, -- 指定分区p1放在tbs...
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 ...