Another way to provide a new and better access path for a query is through the use of DB2's materialized query table (MQT) functionality.
为查询提供更好的访问路径的另一种方法是使用DB2的物化查询表(MQT)功能。
One of the distinguishing features of Federation Server is that it uses the powerful technology of DB2's cost-based optimizer to find the best access path for federated queries.
FederationServer的一个独特的特性是，它使用DB2强大的基于成本的优化器技术来发现联邦查询的最佳访问路径。
One of the distinguishing features of Federation Server is that it uses the powerful technology of DB2's cost-based optimizer to find the best access path for federated queries.
FederationServer的一个独特的特性是，它使用DB2强大的基于成本的优化器技术来发现联邦查询的最佳访问路径。
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