mpp类命令

mpp类命令

mpp建表

create table tb_(
id character varying(4000),
name character varying(4000),
time date
)
distribute by hash (name)
partition by range(time)(partition partition_max values less than (maxvalue));

如何查看mpp表现在的分区信息

如何修改mpp的分区字段,修改分区字段是否会影响已有数据