If an attachment exists in multiple databases, the attachment is stored only once per server partition, and the reference counts are increased.

如果附件存在于多个数据库中，该附件在每个服务器分区中仅存储一次，同时增加引用计数。

youdao

If an attachment exists in multiple databases, the attachment is stored only once per server partition, and the reference counts are increased.

如果附件存在于多个数据库中，该附件在每个服务器分区中仅存储一次，同时增加引用计数。

youdao