可以使用ubik协议跨多个服务器机器来持续复制数据库，比如VLDB、ADB和PDB，以提高它们的可用性，以及共同承担复制站点间的访问负荷。

Ubik protocol helps to replicate databases such as VLDB, ADB and PDB consistently across multiple server machines to improve their availability and share access loads among replication sites.

youdao

运行数据（持续复制）

Run data (Ongoing replication)

youdao

运行数据（持续复制）

Run data (Ongoing replication)

youdao