Intensional Answers to Database Queries pptx

Ngày tải lên: 07/03/2014, 14:20

... EU total). 26 So a considerable share would have to be exported to Africa. It is instructive to notice that the possible meat quantity from laying hens in the EU amounts to max. 400,000 tons, ... subsidized exports to Russia and to the Gulf States. As an alternative, these surplus goods would have to be destroyed. It is necessary to add agreements to the existing tr...

Ngày tải lên: 31/03/2014, 08:20

... constraints that apply to individual answers, from the constraints that apply to the entire database. In other words, global intensional information is used to derive individual intensional answers. 2.2.3. ... 4(4):312–330. PANORAMA: A DATABASE SYSTEM THAT ANNOTATES ITS ANSWERS 73 Motro, A. (1989a). Using integrity constraints to provide intensional responses to rela...

Ngày tải lên: 16/03/2014, 16:20

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Ngày tải lên: 14/12/2013, 16:15

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Ngày tải lên: 14/12/2013, 16:15

... Windows Form to Update Multiple Lookup Tables Just about every database application uses lookup tables of some sort or another, such as categories, regions, and territories in the Northwind database. ... you to create a single form to maintain any of your simple lookup tables, again using a Windows Form. You have a number of simple lookup tables in your application, and it is a p...

Ngày tải lên: 14/12/2013, 20:16

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Ngày tải lên: 24/12/2013, 07:16