Of course, more complex changes would still require a schema migration tool of some sort.

当然，比较复杂的更改仍然需要一些模式迁移工具。

youdao

If the version is lower than V2.0.1, first upgrade it to V2.0.1 with the V2.0.1 migration tool.

如果低于V2.0.1，首先用V2.0.1迁移工具将其升级到V2.0.1。

youdao

If the version is lower than V2.0.1, first upgrade it to V2.0.1 with the V2.0.1 migration tool.

如果低于V2.0.1，首先用V2.0.1迁移工具将其升级到V2.0.1。

youdao