它的作用是比较两个相同类型数据的大小或前后，其运算结果是逻辑型数据。
It can be used for comparing two same type size of date or before and after, the result of the comparison is a logical value.
为了更好地了解混合型存储，我们来看看XML数据的逻辑视图，体会XML数据如何看起来像是存储在关系数据库表中。
In order to better understand the hybrid storage, look at a view of how the XML data logically appears to be stored inside a relational database.
危机对更加复杂的设计建模，除了逻辑型，字符串型，整数型，用户自定义的数据类型，您可以对更加复杂的问题建模。
To model more complex designs, you can type tags by stereotypes and meta-classes, in addition to Boolean, string, integer, user-defined data type, and terms.
对于一个逻辑型的数据，其取值只能是D。
一个真正的关系型数据库管理系统，既在逻辑层考虑到完全规范化的数据库，又提供数据的物理存储，这些数据为了高性能而被调整。
A true relational DBMS would allow for a fully normalized database at the logical level, while providing physical storage of data that is tuned for high performance.
系统采用三参数逻辑斯蒂模型，针对二值型数据，该系统能有效地解决目前自适应测试中不可避免的试题曝光度问题。
The systems using three parameters Logistic model, in view of the value of data, the practice has proved that it can resolve the exposure problems in the current adaptive test.
关系型数据库的逻辑模型进一步规范化这些实体和关系，并形成带有主外键约束的表。
The logical model for a relational database normalizes the entities and relationships into tables with foreign key constraints.
股票数据是连续的数值型数据，而不是逻辑型的。
股票数据是连续的数值型数据，而不是逻辑型的。
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