Oracle 表分割槽 復合分割槽

oracle表分割槽：範圍分割槽

oracle.表分割槽：雜湊分割槽 

oracle.表分割槽：列表分割槽 

oracle.表分割槽：復合分割槽

oracle表分割槽：操縱已分割槽的表 

範圍分割槽與雜湊分割槽或列表分割槽的組合

語法：

partition by range (column_name1)

subpartition by hash (column_name2)
subpartitions number_of_partitions
( partition part1 value less than(range1),
partition part2 value less than(range2),
...partition partn value less than(maxvalue)
);

例：

create table sales

( product_id varchar2 (5),
sales_date date not null,
sales_cost number (10)
)partition by range (sales_date)
subpartition by hash (product_id)
subpartitions 5 
( partition s1 values less than (to_date(『01/4月/2001','dd/mon/yyyy')),
partition s2 values less than (to_date(『01/7月/2001','dd/mon/yyyy')),
partition s3 values less than (to_date(『01/9月/2001','dd/mon/yyyy')),
partition s4 values less than (maxvalue)
);

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