结构化类型的英文

例句与用法

1. A table that is defined using structured type
   使用结构化类型定义的表。
2. A structured type is a data type containing a series of attributes
   结构化类型是包含一系列属性的数据类型。
3. Udts provide user extensibility of the sql server data type system , and also the ability to define complex structured types
   Udt使用户可以扩展sql server的数据类型系统，还可以定义复杂的结构化类型。
4. Relational databases can represent nested data structures by using structured types or tables with foreign keys but it is difficult to search these structures for objects at an unknown depth of nesting
   关系数据库可以通过使用结构化类型或带有外键的表，表示嵌套数据结构，但要为不知道其嵌套深度的对象搜索该结构是很困难的。
5. The sql language is a very well established standard for retrieving information from relational databases and has recently been enhanced with new facilities called " structured types " that support nested structures similar to the nesting of elements in xml
   Sql语言是一个用于从关系数据库中检索信息的稳定标准，并且在最近还增加了名为“结构化类型”的新工具，用以支持类似于xml中元素嵌套的嵌套结构。