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OCR: Oracle Objects for OLE Help File Edit Bookmark Help Contents Search Back History Exit Object Relationships See Also An operational hierarchy of the objects expresses has-a and "belongs-to" relationships. This hierarchy can be drawn as follows: OraClient OraSession OraConnection OraDatabase OraParameter OraDynaset OraField The "crow's feet" indicate the many ends of one-to-many or many-to-one relationships. Each OraClient object can have many OraSession objects. Each OraSession object can be associated with only one OraClient object. Each OraSession object can have many OraConnection objects. Each OraConnection object can be shared by many OraDatabase objects, although these OraDatabase objects must be within the same OraSession object.