文档解释
ORA-14046: a partition may be split into exactly two new partitions
Cause: ALTER TABLE|INDEX SPLIT PARTITION did not contain descriptions of exactly two new partitions into which an existing table or index partition was to be split
Action: Ensure that the statement describes exactly two partition into which an existing partition is to be split
ORA-14046是一个Oracle 数据库错误，当用户试图将一个分区拆分成多个分区时，会出现此错误。
官方解释
正常处理方法及步骤
1.确认用户是否想要将一个U分区拆分为多个U分区
2.需要使用RANGE分割法，将一个U分区拆分为两个RANGE，新建相应的RANGE分区
3.将新分区追加到分区表中
4.检查新分区的表结构，以确保拆分完成且无误
5.使用Oracle的重建索引，全局索引或本地索引，对拆分的分区进行重建
