If we want to connect to many databases in dataaccess layer
such as MSAccess,Sql server,oracle means not to a particular
database depends on condition we have to connect to
appropriate database in this scenario if we without changing
code Ho wdo you handle this situation?
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Answer Posted / ganesh
Create appropriate provider at run time(use factory
patterns) based on some configurations setting (probably a
XML file).This will allow user to decide providers
dynamicallly and enable connecting to whatever database he
wants
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