1、分區表類別
1.1、範圍分區表;
1.2、列表分區表;
1.3、哈希分區表;
1.4、組合分區表;
1.1 範圍分區表
CREATE TABLE range_Partition_Table(
range_key_column DATE,
NAME VARCHAR2(20),
ID integer
) PARTITION BY RANGE(range_key_column)
(
PARTITION PART_202007 VALUES LESS THAN (TO_DATE('2020-07-1 00:00:00','yyyy-mm-dd hh24:mi:ss')) TABLESPACE tbs01,
PARTITION PART_202008 VALUES LESS THAN (TO_DATE('2020-08-1 00:00:00','yyyy-mm-dd hh24:mi:ss')) TABLESPACE tbs02,
PARTITION PART_202009 VALUES LESS THAN (TO_DATE('2020-09-1 00:00:00','yyyy-mm-dd hh24:mi:ss')) TABLESPACE tbs03
);
1.2、列表分區表
CREATE TABLE list_Partition_Table(
NAME VARCHAR2(10),
DATA VARCHAR2(20)
)PARTITION BY LIST(NAME)
(
PARTITION PART_01 VALUES('ME','PE','QC','RD'),
PARTITION PART_02 VALUES('SMT','SALE')
);
1.3 哈希分區表
CREATE TABLE hash_Partition_Table(
hash_key_column VARCHAR2(30),
DATA VARCHAR2(20)
) PARTITION BY HASH(hash_key_cloumn)
(
PARTITION PART_0001,
PARTITION PART_0002,
PARTITION PART_0003,
PARTITION PART_0004,
PARTITION PART_0005
);
1.4 組合分區表
CREATE TABLE range_hash_Partition_Table(
range_column_key DATE,
hash_column_key INT,
DATA VARCHAR2(20)
)
PARTITION BY RANGE(range_column_key)
SUBPARTITION BY HASH(hash_column_key) SUBPARTITIONS 2
(
PARTITION PART_202008 VALUES LESS THAN (TO_DATE('2020-08-01','yyyy-mm-dd'))(
SUBPARTITION SUB_1,
SUBPARTITION SUB_2,
SUBPARTITION SUB_3
),
PARTITION 202009 VALUES LESS THAN (TO_DATE('2020-09-01','yyyy-mm-dd'))(
SUBPARTITION SUB_1,
SUBPARTITION SUB_2
)
);