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________ is considered to be one of the foundations of data access in the Microsoft world.

  • A.ODBC
  • B.OLE DB
  • C.JPCD
  • D.ADO

Answer: B

Correct answer: OLE DB

OLE DB is the foundation layer in the Microsoft data access stack: an object-oriented, COM-based interface that breaks DBMS functionality into pieces which can be implemented separately and combined. ODBC sits alongside it as the SQL-oriented, cross-platform interface, and ADO sits above OLE DB as a simpler cover for it.

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