关系数据库模型和 SQL 语言的使用必须考虑到企业级性能和可伸缩性。
The relational data model and use of the SQL language allows for enterprise level performance and scalability.
我们在上文已简要提到，可以通过许多已知和经证实的技术来实现关系数据库平台的高可用性和伸缩性。
As we briefly mentioned above, ensuring the high availability and scalability of a relational database platform can be done through a number of known and proven techniques.
集群关系数据库以获得可伸缩性和可用性是一种业已建立的良好规程，因此我们不再花费时间讨论集群关系数据库的技术。
Clustering of relational databases for scalability and availability is a well established discipline, and so we will not spend time discussing techniques for clustering relational databases.
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