When you move an object on SSD, if insufficient space exists on SSD, only part of the object will end up on SSD.

当将对象移动到SSD时，如果SSD中的空间不足，那么将只有部分对象会存储到SSD中。

youdao

Each change in the database schema has its own migration object, encapsulating a move up and a move down. Listing 1 shows an empty migration.

数据库模式中的每个变化都有自己的迁移对象，迁移对象包装了前进和后退。

youdao

Each change in the database schema has its own migration object, encapsulating a move up and a move down. Listing 1 shows an empty migration.

数据库模式中的每个变化都有自己的迁移对象，迁移对象包装了前进和后退。

youdao