将一个表分解为一些行和列也许还不够—一个关系表的记录结构也许不能捕获一些有用的组合。
It probably isn't enough to break a table down into rows and columns-the record structure of a relational table might not capture some useful groupings.
这使得持久化已发布的记录非常容易，并且不需要用传统的关系数据结构创建hl7模型。
This made it extremely easy to persist the published records without the need to create the HL7 model in a traditional relational structure.
根据列表或组的结构、位置或从属关系，LBAC可用于增强对用户可见记录的Siebel访问控制。
LBAC can be used to enforce Siebel access control, based on records visibility for a user that is based on organization, position, and a membership to a list or group.
所有的Logger对象通过一个具有继承关系的命名空间结构进行管理，命名空间中的子Logger可以从其父Logger中继承日志记录属性。
Loggers are organized in a hierarchical namespace and child Loggers may inherit some logging properties from their parents in the namespace.
通过大量人工波及天然地震记录输入结构的分析，我们得到了地震动持续时间与结构弹塑性耗能之间的关系。
By introducing a number of natural and artificial ground motion records into structural analysis, the relationship between earthquake duration and energy absorbed by structures was obtained.
该系统利用关系数据库模型存储设备的参数信息，构造邻接矩阵记录电网的拓扑结构。
In the system, Relation database model is adopted to memory the parameter information of the device, and the adjacent matrix is used to memory the network topology of power system.
该系统利用关系数据库模型存储设备的参数信息，构造邻接矩阵记录电网的拓扑结构。
In the system, Relation database model is adopted to memory the parameter information of the device, and the adjacent matrix is used to memory the network topology of power system.
应用推荐