添加一个分区
alter table part_tablename add partition part_name values less than(xxx) tablespace xxx;
查询一个分区
select * from part_tablename partition (part_name);
修改分区里的数据
update part_tablename partition(part_name) set xxx='xxx' where xxx=xxx;
删除分区表里的数据
delete from part_tablename partition(part_name) where xxx=xxx;
alter table part_tablename truncate partition part_name;
PS:truncate无法恢复删除数据,当然速度也比delete快
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