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We have a shapefile of electrial network.The SCADA data of the electrical network is stored in oracle 10g express edition.We have to link oracle table with the arcmap and automatically refresh the map with the values which will be updated in oracle table.Do suggest a method and a code to execute this in Arcmap

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You want to use either the IActiveview::PartialRefresh (efficient) or the IActiveView::Refresh (highly inefficient) method. As far as the timer goes, it depends whether it is a VB.NET Timer or VB6/VBA Timer

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