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- dynamic schema evolution 动态模式修改, 动态模式演变
- Schema evolution is a key problem in object-oriented systems because the dynamic nature of typical OODB applications calls for frequent changes in the schema. 模式演化是OO系统中一个很关键的问题。由于OODB的应用具有动态特征,因而模式要经常改动。
- However, the gain in relational storage simplicity and schema evolution is offset by reduced query performance, as we will see when we try to create a purchase history report. 但是,关系存储的简单和模式演化的好处会被查询性能的降低所抵消,当我们尝试创建采购历史记录报告时会发现这一点。
- Database Schema Evolution and Meta-Modeling 数据库理论
- We are looking for dynamic persons to be salesmen. 我们正在寻找充满活力的销售人员。
- schema evolution 模式进化
- Dynamic model for Pb isotope evolution in the continental crust of China. 中国大陆地壳铅同位素演化的动力学模型。
- Every dynamic system needs continuous readjustment. 每一动态系统都需要不断地再调整。
- The conflict process is a dynamic phenomenon. 冲突过程是一种动态现象。
- This is the first main crux of dynamic theory. 这是动态学说第一个主要的难题。
- Dynamic RAM's need to be refreshed periodically. 动态RAM则需要周期性地刷新数据。
- In the dynamic case motion is often harmonic. 在动态情况下，运动通常为谐运动。
- The results are dynamic paintings. 其结果是画有力度。
- We call parameter 4 is a dynamic parameter. 称参数4为动力参数。
- The DNS server is not performing dynamic updates. 原因：dns伺服器不支援动态更新。
- Neptune turned out to be a dynamic, stormy world. 海王星原来是个有生气、多风暴的世界。
- We need someone dynamic and forward-looking. 我们需要一个朝气蓬勃并高瞻远瞩的人。
- Can be expanded to dynamic protection. 可以扩展到动态保护。
- FULL TRANSIENT DYNAMIC ANALYSIS NLGEOM, ON! 瞬态动力学分析!
- It is not necessary to name dynamic methods. 不需要对动态方法进行命名。
