建立range-list(範圍-列表)組合分割槽!
阿新 • • 發佈:2019-02-09
--建立range-list組合分割槽:
SQL> create table t_partition_rl (id number,name varchar2(50)) 2 partition by range(id) subpartition by list(name) 3 subpartition template ( 4 subpartition l1 values ('aa') tablespace tbspart01, 5 subpartition l2 values ('bb') tablespace tbspart02, 6 subpartition l3 values ('cc') tablespace tbspart03, 7 subpartition l4 values ('dd') tablespace tbspart04)( 8 partition t_r_p1 values less than (10) tablespace tbspart01, 9 partition t_r_p2 values less than (20) tablespace tbspart02, 10 partition t_r_p3 values less than (30) tablespace tbspart03, 11 partition t_r_pd values less than (maxvalue) tablespace tbspart04); 表已建立。 SQL> select TABLE_NAME,PARTITIONING_TYPE,PARTITION_COUNT from user_part_tables where TABLE_NAME = 'T_PARTITION_RL'; TABLE_NAME PARTITI PARTITION_COUNT ------------------------------ ------- --------------- T_PARTITION_RL RANGE 4 SQL> select PARTITION_NAME,HIGH_VALUE,TABLESPACE_NAME from user_tab_partitions where TABLE_NAME = 'T_PARTITION_RL'; PARTITION_NAME HIGH_VALUE TABLESPACE_NAME ------------------------------ -------------------- ------------------------------ T_R_P1 10 TBSPART01 T_R_P2 20 TBSPART02 T_R_P3 30 TBSPART03 T_R_PD MAXVALUE TBSPART04 SQL> select partition_name,subpartition_name,tablespace_name from user_tab_subpartitions where table_name='T_PARTITION_RL'; PARTITION_NAME SUBPARTITION_NAME TABLESPACE_NAME ------------------------------ ------------------------------ ------------------------------ T_R_P1 T_R_P1_L4 TBSPART01 T_R_P1 T_R_P1_L3 TBSPART01 T_R_P1 T_R_P1_L2 TBSPART01 T_R_P1 T_R_P1_L1 TBSPART01 T_R_P2 T_R_P2_L4 TBSPART02 T_R_P2 T_R_P2_L3 TBSPART02 T_R_P2 T_R_P2_L2 TBSPART02 T_R_P2 T_R_P2_L1 TBSPART02 T_R_P3 T_R_P3_L4 TBSPART03 T_R_P3 T_R_P3_L3 TBSPART03 T_R_P3 T_R_P3_L2 TBSPART03 PARTITION_NAME SUBPARTITION_NAME TABLESPACE_NAME ------------------------------ ------------------------------ ------------------------------ T_R_P3 T_R_P3_L1 TBSPART03 T_R_PD T_R_PD_L4 TBSPART04 T_R_PD T_R_PD_L3 TBSPART04 T_R_PD T_R_PD_L2 TBSPART04 T_R_PD T_R_PD_L1 TBSPART04 已選擇16行。
--對於複合分割槽的local索引:
SQL> create index idx_part_rl_id on t_partition_rl(id) local; 索引已建立。 SQL> select table_name,partitioning_type,partition_count,def_subpartition_count from user_part_indexes where index_name = 'IDX_PART_RL_ID'; TABLE_NAME PARTITI PARTITION_COUNT DEF_SUBPARTITION_COUNT ------------------------------ ------- --------------- ---------------------- T_PARTITION_RL RANGE 4 4 SQL> select partition_name,subpartition_count,high_value from user_ind_partitions where index_name = 'IDX_PART_RL_ID'; PARTITION_NAME SUBPARTITION_COUNT HIGH_VALUE ------------------------------ ------------------ -------------------- T_R_P1 4 10 T_R_P2 4 20 T_R_P3 4 30 T_R_PD 4 MAXVALUE SQL> select partition_name,subpartition_name,high_value,tablespace_name from user_ind_subpartitions where index_name = 'IDX_PART_RL_ID'; PARTITION_NAME SUBPARTITION_NAME HIGH_VALUE TABLESPACE_NAME ------------------------------ ------------------------------ -------------------- ------------------------------ T_R_P1 T_R_P1_L1 'aa' TBSPART01 T_R_P1 T_R_P1_L2 'bb' TBSPART01 T_R_P1 T_R_P1_L3 'cc' TBSPART01 T_R_P1 T_R_P1_L4 'dd' TBSPART01 T_R_P2 T_R_P2_L1 'aa' TBSPART02 T_R_P2 T_R_P2_L2 'bb' TBSPART02 T_R_P2 T_R_P2_L3 'cc' TBSPART02 T_R_P2 T_R_P2_L4 'dd' TBSPART02 T_R_P3 T_R_P3_L1 'aa' TBSPART03 T_R_P3 T_R_P3_L2 'bb' TBSPART03 T_R_P3 T_R_P3_L3 'cc' TBSPART03 PARTITION_NAME SUBPARTITION_NAME HIGH_VALUE TABLESPACE_NAME ------------------------------ ------------------------------ -------------------- ------------------------------ T_R_P3 T_R_P3_L4 'dd' TBSPART03 T_R_PD T_R_PD_L1 'aa' TBSPART04 T_R_PD T_R_PD_L2 'bb' TBSPART04 T_R_PD T_R_PD_L3 'cc' TBSPART04 T_R_PD T_R_PD_L4 'dd' TBSPART04 已選擇16行。