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这通常是指作为数据库或数据库管理系统。
This is usually referred to as DBMS or a Database Management System.
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一个实例可以管理一个或多个数据库，这些数据库组成一个集群。
An instance may manage one or more databases known as a cluster.
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一个实例可以管理一个或多个数据库，这些数据库组成一个集群。
An instance may manage one or more databases known as a cluster.
youdao