In most cases, user can consider the partition to be the

directory under the file system

User can specify multiple partitions, that is, multiple

fields of the table are considered as the partitions of the

table, and the relationship among partitions is similar to

that of multiple directories

If the partition columns to be accessed are specified

when using data, then only corresponding partitions are

read and full table scan is avoided, which can improve the

processing efficiency and save costs

MaxCompute partition only supports string type and the

conversion of any other types is not allowed

The partition value cannot have a double byte characters

(such as ChinesE.