The page refers to it as a structured data type similar to variables in Python or Perl.
这个页面将其称作一个类似于Python或Perl中的变量的结构化数据类型。
A structured data type is a form of user-defined data type that contains a sequence of attributes, each of which has a data type.
结构化数据类型是一种用户定义的数据类型,它包含了一系列的属性,每一个属性都有一个数据类型。
A structured data type can be used as the type for a column in a regular table (Listings 1 and 2), the type for an entire table (or view), or as an attribute of another structured type (Listing 3).
结构化数据类型可以用作普通表中某一列的类型(清单1和清单2),也可以用作整个表(或视图)的类型,或者用作另一个结构化类型的属性(清单3)。
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