... mapping, data-base 数据库映像 Data-Base Management Functions 数据库管理函数 functionally distributed data-base 功能分布式数据库 ...
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该结果集对象是一个复杂对象，它通常位于数据库管理系统的存储器中，并且只能通过与之交互的函数辨认。
A result set object is a complicated beast, as it usually resides within the memory of the database management system and can only be deciphered by functions that interact with it.
构造函数还将从数据库检索最大项目数，这将简化错误管理。
The constructor also retrieves the maximum item number from the database, which simplifies error management.
dbHandle—用于管理到数据库的连接的函数。
DbHandle - a function used to manage our connection to the database.
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