Much of the power of the relational model comes from the fact that the relational table is the single data structure that represents homogeneous collections of data.
关系模型的大部分功能都来自于这样一个事实:关系表是代表同质数据集合的单一数据结构。
It proudly maintains its hierarchical heritage, even while exploiting the power and stability of the relational database world.
它可以保持其层次化性质,同时利用关系数据库环境的功能和稳定性。
Table functions enable you to efficiently use relational operations and the power of SQL on data that is not in an actual table.
表函数允许您对非实际表(不是实际上的表)中的数据有效地使用关系操作和SQL。
Relational databases, XML documents, queues, application data, and more can be transparently accessed from a common platform and combined using the power of SQL.
对于关系数据库、XML文档、队列、应用程序数据等,都可以从一个公共的平台中,结合SQL的强大功能对它们进行透明访问。
The expressive power of XQuery is comparable to the criterion of "relational completeness" defined for database query languages, though no such formal standard has been defined for an XML data model.
XQuery的表达能力可以与为数据库查询语言定义的“关系完整性”标准相比,虽然还没有为XML数据模型定义这样的正式标准。
These examples highlight the power of integrating XQuery and SQL, essentially that the relational data accessed through a nickname can be used with the native XML store.
以上这些示例突出展示了XQuery和SQL集成后的强大功能,尤其是,经由昵称访问的关系数据可与原生xml存储一同使用。
That's not to say that it is impossible to store complex data in a flat-file database; just that doing so can be more costly in time and processing power compared to a relational database.
这不是说用平面文件数据库不能存储复杂数据,而是若这样做要比用关系型数据库耗用更多的时间和处理能力。
The traditional relational database management system can't fulfill the need of times-critical applications, such as power system monitor. The active real-time technology emerges as The Times require.
传统的关系型数据库不能满足电网监控这样的时间关键型应用对实时数据快速响应的要求,而主动实时数据库技术应运而生。
Using the evaluation task, examine the pattern of belief bias effect in relational reasoning, and test the explanatory power of the mental model theory about the belief bias.
采用结论评估范式,考察时间和空间关系推理中信念偏差效应的表现形式,以及心理模型理论对关系推理中信念偏差效应的解释力。
Expert system for insulation diagnosis of power equipment based on relational database is designed.
介绍了基于关系数据库的变电设备绝缘诊断专家系统的设计方案。
Finally, according to the relational sequence, the insulation fault is identified for power transformers.
最后根据关联序识别变压器绝缘故障诊断。
The extensions enable construction of compositional APIs that have equal expressive power of query languages in domains such as relational databases and XML.
这些扩展使得结构性API构造具有与其他领域(如关系数据库和XML)中查询语言同等的表达能力。
The structured method allows you to leverage the power of both relational data and XML hierarchies.
而结构化方法让你可以利用关系数据和XML层次结构两者的力量。
According to the principle, characteristics and steps of scheduled maintenance for power supply systems, a structural relation of relational database is established.
根据供电系统调度部门安排设备检修计划的制定原则、特点和步骤,建立关系数据库的组织关系。
According to the principle, characteristics and steps of scheduled maintenance for power supply systems, a structural relation of relational database is established.
根据供电系统调度部门安排设备检修计划的制定原则、特点和步骤,建立关系数据库的组织关系。
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