Transreptors help reduce complexity by hiding physical level details from the logical level allowing developers to focus on what's important - information.
A second category of requirements has to do with the actual logical modeling capabilities and the type and complexity of the models. These considerations include
第二类需求是处理实际的逻辑建模功能，以及模型的类型和复杂性。
3
As more customers adopt the data federation technology, the next logical concern for customers is usually to achieve higher performance, as the complexity of their queries increases.