要向分区表写入数据,您可以使用INSERT语句来执行。以下是一个示例: INSERT INTO partitioned_table (col1, col2, col3) VALUES (value1, value2, value3); 复制代码 其中,partitioned_table是分区表的名称,col1, col2, col3是表中的列名,value1, value2, value3是要插入的值。 请确保提供了正确的列名...
partition P_HIREDATE_3valuesless than (MAXVALUE) tablespace TBS_CLPC_META pctfree10initrans1maxtrans255); insert into emp_range select * from emp; select * from emp_range partition(p_hiredate_1) ; --查询分区数据 4.2、列表分区(list partition) 列表分区特点: 列表分区主要依据分区键定义时给出...
栏目: 云计算 要向分区表写入数据,可以使用INSERT语句并指定分区键的值。例如: INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...) PARTITION partition_name; 复制代码 在上面的语句中,table_name是分区表的名称,column1, column2, ...是要插入的列名,value1, value2, .....
优化前: INSERT INTO /*+ append */ tablename_his SELECT * FROM tablename PARTITION (TB_ORDER_DE_WAREID40) WHERE ID NOT IN ( SELECT tcc.id FROM tablename PARTITION (TB_ORDER_DE_WAREID40) tcc , tablename_his tcch WHERE tcc.id=tcch.id ) 在做数据归档时,需要做大数据量的insert,对于ins...
When to Partition a Table什么时候需要分区表,官网的2个建议如下: (1)Tables greater than 2GB should always be considered for partitioning. (2)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 mo...
PARTITION FOR('||v_date||')'; select count(partition_name) into v_part_number from all_tab_partitions where table_owner='PD01' and table_name='PD_TESTDATA'; insert into pdms01.del_testdata_log(exec_time,dropped_partition_date,remain_partition_number) values(sysdate,to_char(v_date),v...
oracle的数据处理之insert,delete,truncate partition,bulk collect into,oracle数据量较大时一些操作方法,从select开始,追加insert,insertappend,bulkcollectinto,mergeinto速度比较,附加delete/truncatepartition
insert into Partition_Test(PID,PITEM,PDATA) select ,h.userid,h.rectime from st_handle h select * from Partition_Test partition(part_01) t where t.pid = '1961' --hash 分区技术 create table Partition_HashTest ( PID number not null, ...
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...
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 ...