Activex Data Objects -ADO

  • ADO is a key component of Microsoft's Universal Data Access strategy
  • The idea is to give programmers a single set of objects that can be used in any Microsoft environment and for any platform
  • Different sources of data can be accessible through OLE DB
  • OLE DB uses a driver called a provider
  • A provider translates the given request into a request it can process against its particular type of data
  • The programmer only has to worry about submitting a request that resembles standard SQL language, and the provider takes care of the rest
Connection Object
A Connection object represents a single session with a data source. In ADO, you can have multiple Connection objects with each one pointing to a different data source  

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