An alternate approach could be to use an annotated schema shred to decompose all new documents to existing side tables, and only change the column type without dropping the side tables.

另一种方式是使用带注释的模式分解将所有新文档分解到现有的副表，只修改列类型而不删除副表。

youdao

First, you must decide whether you want to shred the data to a relational schema or store it as an XML data type.

首先，必须决定是要将数据分解到关系模式还是将它存储为XML数据类型。

youdao

XML fragments can also be shred allowing mapping to XML column type.

XML片段也可以分解，映射到 XML列类型。

youdao

XML fragments can also be shred allowing mapping to XML column type.

XML片段也可以分解，映射到 XML列类型。

youdao