An instance may manage one or more databases.
一个实例可以管理一个或多个数据库。
A single DB2 instance can manage one or more databases.
一个DB 2实例可以管理一个或多个数据库。
An instance may manage one or more databases known as a cluster.
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。
This is more important in large databases.
这在大型数据库中更加重要。
Many of the more mature databases support the concept of prepared statements.
很多更成熟的数据库都支持预处理语句的概念。
This Database has more in common with regular databases than just the name.
这个Database与常规数据库有着很多的相似之处，这不仅仅体现在名称上。
As databases have become more powerful, this type hierarchy has grown more complex.
数据库已经变得更强大了，所以这个类型层次结构也变得更复杂。
How to make those databases work in cooperation is concerned more and more.
如何使分布很广、形式各异的数据库协同工作越来越成为人们关心的问题。
How to make those databases work in cooperation is concerned more and more.
如何使分布很广、形式各异的数据库协同工作越来越成为人们关心的问题。
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