partitionbylist (sex)--根据性别分区(partitionl1values('男'),partitionl2values('女'),partitionl3values(default) ); 分区相关sql --查询分区select*frompersonpartition(p2);select*fromperson1partition(l2);select*fromperson2partition(SYS_P548);select*fromperson3partition(h2);select*fromperson4 subpartiti...
SQL的使用是: select * into table_Name from table_name1 where ... table_name 并不存在 oracle的使用是: create table (或者是Global temporary table) table_Name as select * from ... where ... 第二次如下验证是成功的: select * from ( select t_tcm_form_zp.*,row_number()over(partition ...
oracle查询表分区的sql语句oracle 要查询Oracle数据库中表的分区信息,可以使用以下SQL语句: ```sql SELECT table_name, high_value, partition_name FROM user_tab_partitions WHERE table_name = '你的表名'; ``` 请将上述查询中的`'你的表名'`替换为你要查询的实际表名。 这个查询将返回指定表的分区信息...
select a.blevel, a.leaf_blocks, a.index_name, b.table_name, a.partition_name, a.status from user_ind_partitions a, user_indexes b where a.index_name = b.index_name and a.status = 'UNUSABLE'; 附录:分区表索引失效的操作 ps:表格来自《收获,不止SQL调优》一书作者的整理 操作动作 操作命...
select segment_name, partition_name, segment_type, bytes / 1024 / 1024 "字节数(M)", tablespace_name from user_segments where segment_name IN ('RANGE_PART_TAB', 'NOR_TAB'); 1. 2. 3. 4. 5. 6. 7. 二、分区表优势 引用Oracle官方文档的说法,https://docs.oracle.com/cd/B19306_01/se...
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 ...
Select GID,IID,FLID,PZXMNAME,DYLX,DYXM,AMENDBZ from P_TABLE_2; ---创建一个local索引rang分区 create index idx_local_p_gid on p_table_par(GID) local; 或者自定义 不过呢分区名称,以及分区所在表空间等信息是可以自定义的,例如: SQL> create index IDX_PART_RANGE_ID ON T_PARTITION_RANGE(id...
partition by range(month,day) (partition e1 s less than (5,1) tablespace emp1, partition e2 s less than (10,2) tablespace emp2, partition e3 s less than (max,max) tablespace emp3); SQL> insert into emp s (100,Tom,1000,10,6); ...
SQL> alter table pt1 split partition pmax at (38000) into(partition p08,partition pmax) parallel 8; Table altered. SQL> select TABLE_OWNER,TABLE_NAME,PARTITION_NAME,PARTITION_POSITION,NUM_ROWS,BLOCKS from dba_tab_partitions where table_name='PT1'; ...
1999 Bill 4000 SQL> select * from emp partition (e3) EMPNO ENAME SAL --- --- --- 5000 Gates 6000 使用了分区，还可以单独针对指定的分区进行truncate操作： alter table emp truncate partition e2; 2 对表进行多列的范围分区： 多列的范围分区主要是基于...