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XML has become the de facto standard for representing and interchanging information in web-based applications. And conceptual modeling approaches, such as EER and UML, have been widely applied to illustrating data structure and relationships in traditional database. However, there is no standard methodology for designing XML data at conceptual level. In this paper, we give a survey to conceptual modeling...
XML has become the de facto standard for representing and interchanging data in web-based applications. And XML view, a virtual window for specified users, has been widely applied. In practical system, users encounter the so-called view update problem when they need update source data through the view. For a long time, the view update problem is an open question in database community. With the development...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.