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When using ODBC, which of the following serves as an intermediary between the application and the DBMS drivers?

  • A.Data source
  • B.Driver
  • C.Driver manager
  • D.OLE DB

Answer: C

Correct answer: Driver manager

The driver manager is the intermediary: the application calls it, and it determines which driver the requested data source needs, loads it, and passes the calls through. That indirection is what lets one application work with any compliant DBMS - the application never names a driver, only a data source.

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