This paper first shows the merit of OODBS through comparing the deficiency of traditional DB,secondly introduces seven key technology of OODBS: DB switch,model evolvement,index,affair management,view realization,edition management,safe modeling,finally presents several constructing methods of OODBS and expects the future of OODBS.
基于6个网页-相关网页
系统的实现视图 implementation view
视图的实现 PDF ; JSP
道路动态透视图的实现 Implementation of road dynamic perspective drawings
选中的元素可以使用屏幕底部的属性视图实现自定义功能。
Selected elements can be customized using the Attributes view at the bottom of the screen.
因此，您仅需将编辑视图实现为包含两个下拉列表的表单，下拉列表包含两个用户首选项可以选择的值。
Therefore, you simply implement the edit view as a form with two drop-down lists with the allowed values for the two user preferences.
我们原本还可以对最初的例子使用具有计算列的关系视图来实现这一点。
We could have done this with the original example also by using a relational view with computed columns.
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